Schweizer

SERVICE BULLETINS

DOC TYPEDOC NUMBER DATES269AS269BS269-CS269C-1S269DS269D-ASUBJECT
ASB/SBN-3May 4, 1966XXXRetrofit - Clutch Engagement Spring Assembly Guide
ASB/SBN-4May 4, 1966XXXModification - Fuel Injection System Bendix RSA5AB1
ASB/SBN-5May 18, 1966XXXInspection - Belt Drive Transmission Strut P/N 5422
ASB/SBN-6June 16, 1966XXXFloat Kit - Removable Skid Extension
ASB/SBN-8July 15, 1966XXXInspection - Belt Drive Idler Pulley Arm P/N 5506
ASB/SBN-7July 18, 1966XXXModification - Engine Fuel Pump Drain Line
ASB/SBN-2.1August 2, 1966XXXModification - Fuel Injection Lines, Cylinders No. 1 and 3
ASB/SBN-12September 1, 1966XXXField Modification - Belt Drive Idler Pulley Clutch Shaft P/N 5456
ASB/SBN-13September 29, 1966XXXField Modification - Engine Cooling Scroll
ASB/SBN-15November 4, 1966XXXField Installation - Chip Detector Engine and Transmission
ASB/SBN-16.1November 17, 1966XXXField Modification - Tail Rotor Assembly
ASB/SBN-17November 17, 1966XXXField Modification - Fuel Injector System Rosette Fitting
ASB/SBN-18December 1, 1966XXXTape Application Area - Tail Rotor Blades
ASB/SBN-19December 2, 1966XXXField Modification - Induction System Air Filter Housing P/N 8143
ASB/SBN-20February 20, 1967XXXField Installation - Spring Longitudinal Bungee
ASB/SBN-23February 20, 1967XXXField Replacement - Main Rotor Driveshaft
ASB/SBN-22February 22, 1967XXXReverse Installation - Collective Bungee Assembly
ASB/SBN-27February 22, 1967XXXKit Installation - Exhaust Heater Support
ASB/SBN-28April 1, 1967XXXRemoval AN960-416L Washer, Engine Cooling Shroud Side Panel Assembly
ASB/SBN-32April 1, 1967XXXRerouting - Alternator Wire Ties
ASB/SBN-14June 27, 1967XXXModification - Throttle Bellcrank and Control Cover Clearance
ASB/SBN-35July 26, 1967XXXInspection - P/N 269A5513 Bumper Plug, Lower Coupling Driveshaft
ASB/SBN-36July 26, 1967XXXInspection - Tail Rotor Driveshaft, Excessive End Play
ASB/SBN-34August 7, 1967XXXLocknut Installation - Center Collective Pitch Stick Assembly P/N 269A9962 - Dual Control
ASB/SBN-26August 22, 1967XXXKit Installation - Low Speed Tail Rotor System
ASB/SBN-21August 23, 1967XXXBellcrank Installation Servo Fuel Injector Throttle Control
ASB/SBN-24September 19, 1967XXXMain Rotor Blades, P/N 269B1145 Single Configuration Paint
ASB/SBN-25November 1, 1967XXXBracket Installation - Scroll Assembly
ASB/SBN-30November 8, 1967XXXExhaust Manifold Assembly Modification to Accommodate New Exhaust Adapter Flange
ASB/SBN-33.2December 13, 1967XXXKit Installation - Cabin Sealing - RE: Carbon Monoxide Ingestion
ASB/SBN-38February 27, 1968XXXInspection - Cable, Belt Drive Clutch Control
ASB/SBN-40March 15, 1968XXXTail Rotor Repair - Erosion, Blade Leading Edge
ASB/SBN-41March 15, 1968XXXAC Engine Mounted Full - Flow Oil Filter - Installation
ASB/SBN-42March 15, 1968XXXInstallation - Jumper Wires
ASB/SBN-43 & ADD X1March 28, 1968XXXRetrofit - Dual Clutch Spring Attachment Fitting P/N 269A5436-5 and 269A5436-7 Addendum dated - 04/23/1968
ASB/SBN-44March 29, 1968XXXKit Installation - Utility Lights
ASB/SBN-45March 29, 1968XXXRework Electrical Components - Radio Noise Level Control
ASB/SBN-47April 18, 1968XXXInspection - Main Rotor Blade Flapping Hinge Bearing
ASB/SBN-48May 2, 1968XXXRetrofit - Alternate Battery Location
ASB/SBN-49May 8, 1968XXXShim Installation - Bearing, Upper Pulley Assembly
ASB/SBN-50May 8, 1968XXXRetrofit - Throttle, Governor Control System
ASB/SBN-53June 24, 1968XXXInspection - Tail Boom Center Attachment Fitting P/N 269A2324
ASB/SBN-51July 18, 1968XXXKit Installation - Alternator Mounting Assembly - M10024
ASB/SBN-54July 26, 1968XXXDashpot Installation - Throttle Control Modification Kit M10040
ASB/SBN-39.2August 14, 1968XXXInstallation - Stiffener Canopy Slat
ASB/SBN-57September 11, 1968XXXSupport Clamp Installation - P/N 269A4869 Exhaust Heater Kit
ASB/SBN-58September 12, 1968XXXInspection - Tail Rotor Blade Assembly P/N 269A6124
ASB/SBN-59October 9, 1968XXXInspection and Retirement, Main Rotor Thrust Bearing, P/N 269A5050-50 and -51 Inspection, Field Modification - Main Rotor Mast, Thrust Bearing Nut and Spacer Tube
ASB/SBN-61October 30, 1968XXXInspection - Tail Rotor Fork Bolts P/N 269A6235
ASB/SBN-63November 8, 1968XXXInspection - Tail Rotor Driveshaft Damper Bearing Block P/N 269A5722 and 269A5722-3
ASB/SBN-52.1November 12, 1968XXXRework - Tail Rotor Pedal Arm P/N 269A7336-5
ASB/SBN-65November 15, 1968XXXKit Modification - Air Intake Assembly Re: Amphibious Float Landing Installation
ASB/SBN-11.1November 29, 1968XXXField Replacement - Auxiliary Fuel Boost Pump
ASB/SBN-55.1December 9, 1968XXXEngine Lower Coupling Driveshaft P/N 269A5504-3 or Engine Lower Coupling Driveshaft P/N 269A5504-5 or 269A5504-1
ASB/SBN-66December 10, 1968XXXBlade Weight Installation - P/N 269B1145 Series Main Rotor Blades
ASB/SBN-60.1February 20, 1969XXXBalance Weight Assembly Installed - Low Tip Speed Tail Rotor
ASB/SBN-67February 21, 1969XXXInspection Main Rotor Swashplate Scissor Link Assemblies P/N 269A1335 and 269A1336
ASB/SBN-37.2March 10, 1969XXXRetirement - Bellcrank Assembly, Lateral Pitch Mixer Idler P/N 269A7506
ASB/SBN-68March 10, 1969XXXControl Cover - Bonding, Upper and Lower
ASB/SBN-71.1October 6, 1969XXXInspection - Tail Rotor Transmission Assembly P/N 269A6027 or 369A5400 Addendum dated - 10/27/1969.
ASB/SBN-69October 8, 1969XXXInspection, Corrosion Damage - Main Rotor Driveshaft P/N 269A5305-3
ASB/SBN-70October 8, 1969XXXInstallation - Improved Fuel Injector Assembly
ASB/SBN-72October 17, 1969XXXPeriodic and Conditional Inspection - Main Rotor Mast Assembly P/N 269A2020
ASB/SBN-73.1March 24, 1970XXXInspection - Idler Pulley Assembly, Axial Play
ASB/SBN-75.2April 14, 1970XXXInspection - Main Rotor Lead-lag and Flapping Hinge Bolts P/N HS1446-10-68
ASB/SBN-78July 31, 1970XXXInspection - P/N HS1446-10-68 Bolt, Lead Lag and Flapping Hinge
ASB/SBN-79September 4, 1970XXXRelocation - Oil Pressure Sender P/N 5654912 and Fuel Pressure sender P/N 5654913
ASB/SBN-81November 9, 1970XXXModification - King KY-90A or KY-95 Transceiver Installation
ASB/SBN-83February 1, 1971XXXInstallation - Exhaust Heater Modification Kit No. M10065-1
ASB/SBN-84February 25, 1971XXXRetrofit Kit - Alternate Battery Location
ASB/SBN-76.2March 22, 1971XXXKit Installation - Main Rotor Thrust Bearing M10044
ASB/SBN-89April 16, 1971XXXInstallation - Mounting Brackets Dual Head Alternator
ASB/SBN-91June 9, 1971XXXMain Rotor Transmission Modification Kit No. M10062
ASB/SBN-92July 6, 1971XXXRelocation - Warning Indicator Light, Searchlight Control Handle
ASB/SBN-93July 19, 1971XXXInspection - Main Rotor Hub and Shaft Assemblies P/N 269A5305 and 269A5305-9
ASB/SBN-94July 26, 1971XXXRunout (TIR) Inspection - Main Rotor Thrust Bearing P/N 269A5050-73
ASB/SBN-62.1August 4, 1971XXXKit - Floor Beam Reinforcement
ASB/SBN-90.1September 7, 1971XXXReplacement - Idler Pulley Bearings, P/N 269A5050-62
ASB/SBN-1.4September 15, 1971XXXField Modification - Idler Pulley Assembly P/N 269A5514
ASB/SBN-95September 15, 1971XXX200-Hour Periodic Replacement - Idler Pulley Bearings
ASB/SBN-96October 8, 1971XXXModification - Center Back Cushion Assembly P/N 269A4092
ASB/SBN-97October 8, 1971XXXModification - Cyclic Pitch Control Installation
ASB/SBN-88.1November 10, 1971XXX100 Hour Inspection - Engine Exhaust System
ASB/SBN-98November 29, 1971XXXInspection - Tail Rotor Control Stop P/N 269A7326
ASB/SBN-99December 15, 1971XXXInspection - Latch, Belt Drive Clutch Handle, P/N 269A2210
ASB/SBN-100December 21, 1971XXXRepair of Tail Rotor Blades, P/N 269A6035 Series
ASB/SBN-77.1February 14, 1972XXXInstallation - Belt Drive Clutch Cable Guard Kit M10041
ASB/SBN-74.1February 16, 1972XXXInspection - Main Rotor Mast Internal Corrosion
ASB/SBN-101March 27, 1972XXXShim Installation - Tail Rotor Hub at Fork (Teeter) Bearing; Replacement - Tail Rotor Fork Bearing
ASB/SBN-80.2May 1, 1972XXXStatic Source Relocation - Modification Kit No. M10059-5
ASB/SBN-64.1June 20, 1972XXXUpper Pulley Sleeve, Locknut and Spacer - Belt Drive Transmission Assembly
ASB/SBN-10.2August 7, 1972XXX25 Hour Inspection - Main Rotor Blade
ASB/SBN-102October 23, 1972XXXInspection - Landing Gear Damper (poppet type) Assembly P/N 269A3150
ASB/SBN-103November 14, 1972XXXUniversity Sound System Kit Installation P/N 269A4190-1 and 269A4190-3 Modification of MA-500 Amplifier
ASB/SBN-104February 26, 1973XXXManually Operated Searchlight Installation P/N 269A4333 Series Wire Replacement Alternator Switch to Circuit Breaker
ASB/SBN-106March 17, 1973XXXRework - Flotation Gear Installation Kit No. 269A4300-15
ASB/SBN-107April 6, 1973XXXModification and Inspection - Belt Drive Idler Pulley Clutch Assembly P/N 269A5447 and 269A5447-3
ASB/SBN-31.1April 23, 1973XXXField Installation and Modification - Dual Bolt, Tail Skid Mounting Hardware
ASB/SBN-108May 21, 1973XXXSerialization - Tailboom Support Assembly P/N 269A2015-5
ASB/SBN-110September 24, 1973XXXConfiguration Modification - 2050 Lb. Gross Weight Conversion Kit No. M10078
ASB/SBN-113March 3, 1974XXXGrease Quantity Requirements - Belt Drive Transmission Lower Pulley Bearing P/N 269A5050-507
ASB/SBN-118May 20, 1974XXXCorrosion Prevention/Inspection - Main Rotor Blade, P/N 269A1165 Blade Tip Weight Area and Tip Cap
ASB/SBN-119May 23, 1974XXXInspection - Replacement Main Rotor Blade Root Fitting Bolts; Main Rotor Blade Damper Bolts
ASB/SBN-120July 29, 1974XXXWiring Modification - Integrated Dual Communication Console (ATI)
ASB/SBN-122December 4, 1974XXXInspection - Impeller Bolt Installation
ASB/SBN-123December 4, 1974XXXInspection and Rework of Main Transmission Strut Assembly P/N 269A5015
ASB/SBN-125January 2, 1975XXXStatic System - Line Restrictor and Drain Fitting Modification Kit P/N M10094 and M10093-3
ASB/SBN-126February 24, 1975XXXInspection/Replacement Clutch Actuator Retaining Screws
ASB/SBN-86February 26, 1975XXXDesensitized Throttle Modification Kit No. M10061
ASB/SBN-127March 5, 1975XXXReinforcement and Field Repair Canopy Slat P/N 269A2297 or 296A2297-7
ASB/SBN-128March 25, 1975XXXReplacement of Plug P/N 23425-166 in Pinion Assembly P/N 269A5103 and -9 in Main Rotor Gear Drive Assemblies P/N 269A5175, -3 and -5 with Modification Kit P/N M10104; Securing of P/N 269A5050-1 or -20 Roller Bearing
ASB/SBN-87.2March 25, 1975XXXInstallation - Pitch Control Links, Low Tip Speed Tail Rotor Assembly (Kit No. M10067)
ASB/SBN-129March 31, 1975XXXInspection/Replacement Searchlight Mount Bolts
ASB/SBN-131August 11, 1975XXXInspection and Possible Replacement - Throttle Gear P/N 269A7223; Pilot and Copilot's Collective Pitch Sticks
ASB/SBN-130August 28, 1975XXXInspection - Fiberglass Tail Rotor Blades P/N 269A6124, -9, 269A6035, -9, -17, -19, -M, 269ASK15 and 269-6100
ASB/SBN-115.1October 3, 1975XXXRework of Engine Mounting Hangar Assemblies P/N 269A8617 and 269A8618 to Eliminate Possible Engine Crankcase to Hangar Assembly Interference
ASB/SBN-124.1October 3, 1975XXXInspection - Main Rotor Mast; Left and Right Mast Support Tubes; and Replacement of all Attaching Hardware
ASB/SBN-132November 7, 1975XXXInspection - Horizontal Stabilizers Forward Boom Attach Fitting P/N 269A2518-3
ASB/SBN-133November 7, 1975XXXInstallation of Engine Exhaust Seals P/N 269A8255
ASB/SBN-136March 1, 1976XXXLongitudinal Cyclic Trim Assembly - Installation of Limit Switch
ASB/SBN-112.1April 26, 1976XXXWiring Modification - Auxiliary Fuel Pump P/N 269A8311-1 and 269A8303-5
ASB/SBN-138April 30, 1976XXXInspection - Lateral Cyclic Trim Control Assembly P/N 269A7316-3, -5, -7, -9 or -11
ASB/SBN-139May 20, 1976XXXModification - Left Hand Front Engine Cooling Shroud Panel Assembly P/N 269A8508-15 or -25 and Engine Mounting Bolt Installation
ASB/SBN-137.1June 18, 1976XXXWire Modification - Wet/dry AG Kit P/N 269A4153, -3 or -5
ASB/SBN-85.3June 18, 1976XXXInstallation - Adapter Mounted Idler Pulley Clutch Assembly Kit No. 269A5447
ASB/SBN-135July 23, 1976XXXField Modification and Repair - Manually Operated Searchlight Installation P/N 269A4333-27, -29, -39 and 269A4335-1
ASB/SBN-109.2September 1, 1976XXXInspection of Tailboom Support Strut Aluminum End Fittings, PN 269A2016-3 and 269A2016-5; Replacement of Aluminum End Fittings with Stainless Steel End Fittings (Modification Kit No. M10070)
ASB/SBN-140September 1, 1976XXXField Modification - Fuselage Frame Assembly
ASB/SBN-141.1March 8, 1977XXXField Modification and Interim Inspections - Belt Drive Clutch Linear Actuator Assembly
ASB/SBN-142.1May 31, 1977XXXInitial Installation of PN 269A5194 Main Rotor Drive Ring Gear Carrier Assembly; Modification of PN 269A5182 Main Gear Drive Upper Housing Assembly
ASB/SBN-143May 31, 1977XXXPeriodic Inspection - P/N 269A5179-3 Driveshaft and Coupling Assembly, Main Rotor Gear Drive Assembly P/N 269A5175, -3 or -5
ASB/SBN-117.2July 11, 1977XXXDual RPM and Quiet Operation Configuration P/N 269A4957-3
ASB/SBN-145July 11, 1977XXXReplacement of P/N 269A8244 or -7 Tailboom Clamp Assembly for Muffler/Resonator Kit P/N 269A8245-3
ASB/SBN-144August 8, 1977XXXInspection - Throttle Control Cable Assembly
ASB/SBN-148September 19, 1977XXXInspection of Sump Cap Attach Hardware - Main and Auxiliary Fuel Tank Assemblies
ASB/SBN-82.3September 19, 1977XXXInspection - Tailboom Center Attach Fitting (PN 269A2324), and Center Frame Aft Cluster Fittings (PN 269A2234 and 269A2235)
ASB/SBN-9.2October 3, 1977XXXInspection - Possible Retirement Main Rotor Blade
ASB/SBN-149December 28, 1977XXXInstallation of Placard P/N 269A4646-191 Declutched Operation Prohibited Above 1600 RPM
ASB/SBN-150July 15, 1978XXXInspection and Possible Replacement Seat Belt and Shoulder Harness Assembly, P/N 269A4345 (American Safety Flight Systems P/N 500987-401)
ASB/SBN-154September 25, 1978XXXField Modification of New Four bolt Attachment Configuration - Tail Skid Tube, Tailboom Adapter and Transmission Housing
ASB/SBN-151.2November 7, 1978XXXInspection - Main Transmission Pinion Asseembly P/N 269A5103-9
ASB/SBN-156February 15, 1979XXXField Repair or Removal - Trim Tab Main Rotor Blade P/N 269A1160 Series, 269A1185 Series and 269B1145 Series
ASB/SBN-157May 10, 1979XXXReplacement of Radio Transmit/Intercom Trigger Switch; Rework of Cyclic Pitch Stick Grip Assembly
ASB/SBN-158July 20, 1979XXXP/N 269A4546-5 Clutch Linear Actuator Assembly - Installation of Drain Hole in Actuator Cover
ASB/SBN-161September 28, 1979XXX100 Ampere Capacity Alternator Installation - Torque Inspection Of Pivot Bolts P/N AN7-12 and NAS1302-2
ASB/SBN-162October 12, 1979XXXInspection of Tail Rotor Blade Assembly P/N 269A6035-21 and -23
ASB/SBN-163November 26, 1979XXXP/N 269A6050 Series and 269A1800-3 - Tail Rotor Pitch Control Assembly - Seating of Bearing Inner Race; Torque Increase for P/N 269A6258 Locknut
ASB/SBN-146.2December 7, 1979XXXBelt Drive Transmission Asseembly Inspection of Lower Pulley Bearings and Shimming of Lower Pulley Bearing Straps; Periodic Torque Checks of Forward Bearing Retaining Nut
ASB/SBN-164December 7, 1979XXXInspection of P/N 269A5573-11 H-Frame Assembly
ASB/SBN-159.1December 18, 1979XXXField Installation of P/N 269A5160 Anti-Fretting Liner for P/N 269A5179-3 Driveshaft Coupling Assembly and P/N 269A5194 Ring Gear Carrier Assembly
ASB/SBN-166March 17, 1980XXXReplacement of Seat Belt Assemblies having Fabric to Metal Latching Devices
ASB/SBN-167July 11, 1980XXXIdentification and Possible Rework of Seat Belt and Shoulder harness Assemblies
ASB/SBN-168July 18, 1980XXXRework of Pilot's Seat Cushion Assembly P/N 269A4039
ASB/SBN-172September 12, 1980XXXInstallation of Transmission Chips Warning Light for P/N 269A6027 Tail Rotor Transmission Assembly
ASB/SBN-171December 31, 1980XXXPeriodic Check of Main Rotor Blade Elastomeric Damper Assemblies P/N 269A1290-1
ASB/SBN-155.2January 20, 1981XXXReplacement of P/N 269A6092 or 369A1602 Tail Rotor Drive Fork Hinge Bolt and P/N 269A6093 or 369A1603 Nut; New Assembly Procedure for Tail Rotor Hub and Drive Fork Unit; Periodic Check of Flapping Hinge Bolt Preload
ASB/SBN-173January 30, 1981XXXSealing of Interfaces of Abrasion Strip and Main Rotor Blade Skin
ASB/SBN-174February 23, 1981XXXInspection of P/N 269A5050-73 Thrust Bearing; MRC P/N 9210-UP2-2 S/N 539 thru 647
ASB/SBN-177April 15, 1981XXXField Inspection and Repair of Tail Rotor Transmission Main Housing Assembly P/N 369A5401
ASB/SBN-56.4May 6, 1981XXXInspection - Main Rotor Mast
ASB/SBN-160.1August 12, 1981XXXRework of Main Rotor Mast Assembly for Improved Corrosion Protection
ASB/SBN-153.1October 28, 1981XXXInspection and Rework of LTS Tail Rotor Hub P/N 369A1725, -5 and -501
ASB/SBN-180January 18, 1982XXXEngine Throttle Governor Kit Installation P/N 269A4995-301
ASB/SBN-147.4February 23, 1982XXXRelocation of Starter Vibrator Circuit Wiring
ASB/SBB-250March 20, 1982XXXTriple-Latch Door - Lower Latch Bolt and Collective Friction Guide Assembly Interference
ASB/SBB-251March 20, 1982XXXInspection of Clutch Cable Assembly and Termal End (P/N AN669L3RH or MS21260L3RH)
ASB/SBN-181April 9, 1982XXXInspection, Replacement and New Torque Requirement - P/N 269A5104 Main Transmission Ring Gear, P/N 269A5194 Ring Gear Carrier Assembly and Attach Hardware
ASB/SBN-178.1April 19, 1982XXXInstrument Cluster 3-Pack Conversion - AC to Rochester (28 volt)
ASB/SBN-182May 26, 1982XXXPeriodic Inspection of Idler Pulley Support Bracket Assembly, PN 269A5575 and PN 269A5575-3
ASB/SBB-252June 1, 1982XXXPrecision Airmotive Corporation Bulletins PRS-97 and PRS-98
ASB/SBN-179.1August 17, 1982XXXInspection and Retirement - PN 269A5179 and 269A5179-3 Drive Shaft and Coupling Assembly, Main Rotor Gear Drive Assembly PN 269A5175 Basic, -3 or -5
ASB/SBN-185October 12, 1982XXXOperational Check - Fuel Low Warning System
ASB/SBN-186March 15, 1983XXXCorrosion Inspection - Transmission Oil Pressure Switch P/N 269A4576
ASB/SBN-187July 29, 1983XXXInspection and Overhaul of Fuel Shutoff Valve P/N 269A4598
ASB/SBN-184.1November 21, 1983XXXPeriodic Check and Initial Replacement - Belt Drive Pulley H-Frame Tie Bar Bracket Assembly, PN 269A5517-7
ASB/SBN-190December 15, 1983XXXBungee Installation Kit P/N M10123 - Collective Pitch Stick
ASB/SBN-192May 7, 1984XXXOne-time Inspection of main Rotor Hubs and Shafts; P/N 269A5305 and -9
ASB/SBN-193January 9, 1985XXXInstallation - P/N 269A5192 Pinion Aft Bearing Oil Strainer Assembly in Main Transmission Assemblies Built Prior to 1969
ASB/SBN-194January 9, 1985XXXOne-time Inspection and Rework of P/N 269A4262 Inertia Reel Shoulder Harness Assemblies and Installation
ASB/SBN-111.3January 24, 1986XXXConversion of 12V to 24V Electrical System - Modification Kit No. M10068 and Installation of 24V, 100 Ampere Capacity Alternator - Kit No. 269A4929-1
ASB/SBN-169.1February 28, 1986XXXalternator Out Indicating Light
ASB/SBN-195February 28, 1986XXXInspection of Main Transmission Assembly, P/N 269A5175-11, -13, -15 and -17
ASB/SBN-196February 28, 1986XXXInspection of Throttle and Governor Control Cable Assemblies
ASB/SBN-198February 28, 1986XXXInspection and Rework of Tail Rotor Pitch Control Link Assembly, P/N 269A6091-5 and 369A1807-7
ASB/SBN-205August 22, 1986XXXIdentification and Possible Replacement of Radio Communication Relay
ASB/SBN-189.1September 2, 1986XXXMain Rotor Damper Pitch Bearing Case Attach Hole Inspection and Spacer (PN 269A1207) Installation
ASB/SBN-207November 10, 1986XXXInstallation and Replacement of Protective Sleeve (Speedi-Sleeve PN 084956) on Tail Rotor Transmission Output Gearshaft
ASB/SBN-203November 19, 1986XXXVisual Check to Ensure that Proper Thrust Bearing Tube is Installed
ASB/SBN-208November 19, 1986XXXIdentification and Possible Replacement of Tail Rotor Fork Bolt
ASB/SBN-202February 23, 1987XXXImproved Methods for Checking Idle Mixture and Idle Speed. Operational Check of Fuel System.
ASB/SBN-201.1March 23, 1987XXXInspection and Sealing of Main Rotor Blade Elastomeric Dampers
ASB/SBN-176.2March 25, 1987XXXInstallation of Main Rotor Blade Elastomeric Damper Assemblies P/N 269A1290-1
ASB/SBN-200March 30, 1987XXXOne-time Inspection of Bolt Holes at Tail Rotor Transmission Attachment Area
ASB/SBN-175.1April 9, 1987XXXInstallation of PN 269A5593-3 H-Frame with PN 269A5050-78 Bearings
ASB/SBN-209April 9, 1987XXXOne-Time Inspection of Belt Drive Upper Pulley Assembly
ASB/SBN-206April 17, 1987XXXUnited Instruments, Inc. Altimeters (SZR Part No. 369H4505)
ASB/SBN-204June 16, 1987XXXIdentification and possible Replacement of Collective Pitch Mixer Bellcrank
ASB/SBN-199.1July 15, 1987XXXOne-time Inspection of Main Rotor Driveshaft P/N 269A5304-5
ASB/SBN-213September 29, 1987XXXDaily Visual Inspection of Droop Stop Nut; One-time Dye Penetrant Inspection of Droop Stop Nut P/N 269A1340
ASB/SBN-211November 3, 1987XXXPeriodic Inspection of Engine Lower Coupling Driveshaft Boot P/N 269A5473
ASB/SBN-214November 3, 1987XXXReduced Service Lives for P/N 269A6065 and 369A1706 Tail Rotor Retention Strap Assemblies
ASB/SBN-216November 3, 1987XXXMagnetic Particle Inspection of Main Transmission Pinion Assembly
ASB/SBN-218January 22, 1988XXXReplacement of Auxiliary Fuel Quantity Placard; Installation of P/N 269A4106-3 Instrument Cluster as Replacment for P/N 269A4106 Instrument Cluster
ASB/SBN-217January 29, 1988XXXIdentification of Center Frame Aft Cluster Fittings; Installation of P/N 269A4646-19 Support Strut Placards
ASB/SBN-220January 29, 1988XXXOne-time Inspection of P/N 269A2234-3 and 269A2235-3 Aft Cluster Fittings
ASB/SBN-221January 29, 1988XXXReturn of Cluster Fittings in Spares Inventory; Dye Penetrant Inspection and Removal of Sample Piece from Aft Cluster Fittings; Daily Visual Inspection of Aft Cluster Fittings
ASB/SBN-212March 10, 1988XXXOne-time X-ray Inspection of Tail Rotor Blade Spar P/N 269A6035-21 and -23
ASB/SBN-215September 21, 1988XXXUpdate of Model 269B and 269C Pilot's Flight Manual; Installation of 269A9928-5 and 269A9928-7 Center Cover Support Bracket
ASB/SBN-222September 21, 1988XXXTextron Lycoming Service Bulletins: No. 480 Oil and Filter Change and Cleaning No. 369G Engine Inspection after Overspeed or Overboost
ASB/SBN-224September 21, 1988XXXInspection and Possible Replacement of P/N 33-199-915 Fuel Filter Element (Wire Mesh Screen without Stiffeners)
ASB/SBN-231May 31, 1989XXXIdentification and Possible Repair of Precision Airmotive Fuel Injector Model RSA-7AA1, Precision Airmotive Service Bulletin PRS-92
ASB/SBN-134.3July 3, 1989XXXRevised Engine Operating Procedures and Maintenance Practices
ASB/SBN-226July 3, 1989XXXIdentification of Belt Drive Clutch Spring Assembly, Inspection of Belt Drive Clutch Engagement Cable, Field Retrofit of 269A5483-1 and 269A5483-3 Belt Drive Clutch Spring Assemblies with New Cable Sub-Assembly
ASB/SBN-227July 3, 1989XXXInspection of Main Rotor Pitch Bearing Snap Ring Lockwasher
ASB/SBN-183-3September 15, 1989XXXPilot Preflight Check of Tail Rotor Blade Leading Edge Abrasion StripDetailed Inspection of Tail Rotor Blade Leading Edge Abrasion Strip Bonding Installation of Rivets on Tail Rotor Blade Leading Edge Abrasion Strip
ASB/SBN-232October 6, 1989XXXInspection of Tail Rotor Driveshaft Damper block Assembly P/N 269A2330-3
ASB/SBN-219August 24, 1990XXXDetail Inspections of Upper Pulley Stack-up
ASB/SBB-237.1May 30, 1991XXXPossible Restriction of Cyclic Pitch Control
ASB/SBN-210.1May 30, 1991XXXIdentification of Throttle Cable Assemblies; Inspection of P/N 269A4683(BSC) or -3 Throttle Cable Assemblies having Threaded End Fittings; Replacement of P/N 269A4683(BSC) or -3 Throttle Cable Assemblies having Threaded and/or Aluminum End Fitting
ASB/SBB-236September 4, 1991XXXInspection of Low Tip Speed Tail Rotor Swashplate Bellcrank Assembly Hole
ASB/SBB-238.1November 7, 1991XXXInspection and Retirement of 269A2324(BSC) and -7 Tailboom Center Attachment Fittings
ASB/SBB-239.1November 7, 1991XXXInspection and Retirement of 269A2324-7 Tailboom Center Attachment Fitting
ASB/SBB-248November 7, 1991XXXBendix Fuel Injector System Model RSA-7AA1, P/L 2524347 (Lycoming P/N 77885) and Precision Airmotive Corporation Service Bulletin PRS-94 and PRS-94 Suppl 1
ASB/SBB-234December 16, 1991XXXInspection and Modification of Longitudinal Trim Mounting Plate and Trim Arm Stop
ASB/SBB-233February 10, 1992XXXOne Time Inspection - Engine Oil Cooler
ASB/SBB-241February 10, 1992XXXInspection of Seat Belt Snap Hook End Fittings
ASB/SBB-242February 10, 1992XXXOne Time Inspection of Main Rotor Blades
ASB/SBN-229.1February 10, 1992XXXPart Number Conversion of 369 Series Part Numbers to 269 Series Part Numbers that are Used on 269 Series Helicopters
ASB/SBB-235.1March 20, 1992XXXPossible Restriction of Throttle Controls
ASB/SBB-249March 20, 1992XXXOne Time Inspection of Throttle Override Bellcrank Assembly
ASB/SBB-240May 8, 1992XXXone Time Inspection - Thrust Bearing Nut P/N 269A1315 with Possible Incomplete Threads
ASB/SBB-243May 8, 1992XXXCorrosion Damage Inspection of Main Rotor Driveshaft P/N 269A5305
ASB/SBB-245May 8, 1992XXXMaintenance and Operation Requirements for Safe Operation of Surplus TH-55A Helicopters
ASB/SBB-247October 30, 1992XXXTail Rotor Pedal Bulkhead (Floor Beam) Gusset
ASB/SBB-255.1February 1, 1993XXXMain Rotor Driveshaft Inspection
ASB/SBB-257.1May 21, 1993XXXOne-Time Inspection of Lower Coupling Driveshafts, and New Engine/Rotor Tachometer Markings
ASB/SBB-256.2June 11, 1993XXXInspection of Clutch Control Spring Assembly Installation
ASB/SBB-253September 3, 1993XXXTailboom Support Struts Corrosion Inspection
ASB/SBB-260October 19, 1994XXXCorrosion Inspection and Treatment of Lower Coupling Drive Shaft
ASB/SBB-261October 19, 1994XXXPeriodic Inspection of Main Transmission Pinion Input Shaft Assembly
ASB/SBB-263May 24, 1995XXXInspection of Aft Cluster Fittings
ASB/SBB-264September 15, 1995XXXOne-Time Inspection of Tail Rotor Blades
ASB/SBDB-001.1September 28, 1995X50-Hour Inspection of Main Rotor Blade Abrasion Strip
ASB/SBB-265.1July 23, 1996XXX269A6050-005 LTS Tail Rotor Pitch Control Assembly, Torque Verification of 269A6258 Nut, and Application of Torque Stripes
ASB/SBC1B-001.1July 23, 1996X269A6050-005 Tail Rotor Pitch Control Assembly, Torque Verification of 269A6258 Nut, and Application of Torque Stripes
ASB/SBDB-002.1July 23, 1996X269A6050-005 Tail Rotor Pitch Control Assembly, Torque Verification of 269A6258 Nut, and Application Of Torque Stripes
ASB/SBB-266October 15, 1996XXXTextron Lycoming Service Bulletin No. 525
ASB/SBC1B-003January 28, 1997X50-Hour Inspection of Main Rotor Blade Abrasion Strip
ASB/SBC1B-002January 29, 1997XOne-Time Inspection of Tail Rotor Blades
ASB/SBDB-003January 29, 1997XOne-Time Inspection of Tail Rotor Blades
ASB/SBB-267July 24, 1997XXXTextron Lycoming Service Bulletin No. 527C
ASB/SBC1B-004July 24, 1997XTextron Lycoming Service Bulletin No. 527C
ASB/SBC1B-006March 20, 1998XInspection of Main Transmission Pinion Splines; New Torque Check Requirement for Aft Pinion Nut
ASB/SBB-244.3April 6, 1998XXXPossible Deterioration of Certain Main Transmission Pinion Assembly Teeth and Ring Gear Teeth
ASB/SBB-268June 24, 1998XXXOne-Time Inspection of Main Rotor Hub and Shaft, and New Assembly Procedure
ASB/SBC1B-005.1July 14, 1998XPrimer Hose Replacement
ASB/SBC1B-007July 14, 1998XOne-Time Inspection of Main Rotor Hub and Shaft, and New Assembly Procedure
ASB/SBDB-005July 24, 1998XReplacement of Main Rotor Hub Hoisting Eye
ASB/SBB-259.2November 2, 1998XXX50-Hour Inspection of Main Rotor Blade Abrasion Strip
ASB/SBDB-004.3November 3, 1998XMain Rotor Hub and Shaft Inspection and New Assembly Procedure
ASB/SBN-188.4February 12, 1999XXXInstallation of New Higher Strength Tail Rotor Blade Retention Bolt P/N LWB22-6-22, LWB22D-6-22 or HS4441-6-22; and Inspection of Tail Rotor Blade Attachment Bushing Holes
ASB/SBB-271.1October 14, 1999XXXTail Rotor Swashplate Shaft Inspection
ASB/SBC1B-009.1October 14, 1999XTail Rotor Swashplate Shaft Inspection
ASB/SBDB-007.1October 14, 1999XTail Rotor Swashplate Shaft Inspection
ASB/SBB-272February 18, 2000XXXInspection/Replacement Criteria for Certain Upper H-Frame Bearings (Schweizer P/N 269A5050-78)
ASB/SBC1B-010February 18, 2000XInspection/Replacement Criteria for Certain Upper H-Frame Bearings (Schweizer P/N 269A5050-78)
ASB/SBDB-008February 18, 2000XInspection/Replacement Criteria for Certain Upper H-Frame Bearings (Schweizer P/N 269A5050-78)
ASB/SBB-273August 23, 2000XXXReplacement of Shoulder Harness and Inertia Reel Assembly
ASB/SBB-274January 2, 2001XXXTextron Lycoming Special Advisory No. 63-1200
ASB/SBC1B-011January 2, 2001XTextron Lycoming Special Advisory No. 62-1200
ASB/SBC1B-008.1January 8, 2001XInspection of 269A5104-007 Main Transmission Ring Gears with Specific Serial Numbers and Reporting of Inspection Results
ASB/SBDB-006.1January 8, 2001XInspection of 269A5104-007 Main Transmission Ring Gears with Specific Serial Numbers and Reporting Inspection Results
ASB/SBB-270.2March 12, 2001XXXInspection of 269A5104-007 Main Transmission Ring Gears with Specific Serial Numbers and Reporting of Inspection Results
ASB/SBB-275March 12, 2001XXXOne-Time Inspection for Condition and Modification of Certain Idler Pulley Support Assemblies
ASB/SBC1B-012March 12, 2001XOne-Time Inspection for Condition and Modification of Certain Idler Pulley Support Assemblies
ASB/SBDB-009September 28, 2001XReplacement of Forward and Aft Kaflex Drive Shaft Coupling Bolts
ASB/SBB-276October 26, 2001XXXMain Rotor Swashplate Bearings P/N 269A1301
ASB/SBDB-010October 26, 2001XMain Rotor Swashplate Bearings P/N 269A1301
ASB/SBC1B-013.1November 14, 2001XMain Rotor Swashplate Bearings P/N 269A1301
ASB/SBB-277January 25, 2002XXXOne-Time Inspection of Certain 269A2234-3 (LH) and 269A2235-3 (RH) Aft Cluster Fittings
ASB/SBC1B-014August 9, 2002XOne-time Inspection of 269A2172-5 Aft Mast Support Tube Forward Fitting
ASB/SBB-278September 6, 2002XXX269A2234 BSC and 269A2235 BSC Aft Cluster Fitting Modification
ASB/SBB-269.1December 26, 2002XXXReplacement of Old Style Tail Rotor Drive Fork Hinge Bolt and Clarification of Torque Value
ASB/SBDB-011.1March 20, 2003XHorizontal Stabilizer, Inspection of End Plate and Attachment
ASB/SBN-121.2April 10, 2003XXXInspection and Rework Tail Rotor Control System, Rudder Pedal Installation
ASB/SBB-281September 5, 2003XXXThrottle Governor Bellcrank
ASB/SBC1B-015November 4, 2003XModification of 269A5590-1 Clutch Spring Assembly
ASB/SBB-280.1April 6, 2004XXXModification of 269A5590-1, and 269A5483-1/-3 Clutch Spring Assemblies
ASB/SBB-282.1September 24, 2004XXXSupport Bracket (269A8460-3) Throttle Bellcrank, Inspection for Cracks
ASB/SBC1B-016.1September 24, 2004XSupport Bracket (269A8460-1) Throttle Bellcrank, Inspection for Cracks
ASB/SBDB-012February 8, 2005XInspection and Modification of 269A7316-13 Lateral Control Trim Assembly
ASB/SBB-283.1March 4, 2005XXXInspection and Modification of 269A7316-13 Lateral Control Trim Assembly
ASB/SBC1B-017.1March 4, 2005XInspection and Modification of 269A7316-13 Lateral Control Trim Assembly
ASB/SBDB-013April 26, 2005XFuel Pump Drain Tube
ASB/SBB-285.1March 17, 2006XXXModification of Locknut/Hoist Eye Assembly
ASB/SBC1B-018.1March 17, 2006XModification of Locknut/Hoist Eye Assembly
ASB/SBDB-014.2April 19, 2006XModification of Locknut/Hoist Eye Assembly
ASB/SBDB-015.1April 19, 2006XModification of CEF 8618M33 Linear Actuator
ASB/SBB-284.1September 18, 2006XXXModification of 269A4564-5 and -7 Linear Actuators
ASB/SBB-286October 4, 2006XXXTail Rotor Swashplate Bellcrank Assembly Safety Washer Installation
ASB/SBDB-016October 4, 2006XTail Rotor Swashplate Bellcrank Assembly Safety Washer Installation
ASB/SBDB-017November 13, 2006XInstallation of Latch Assy. Fuel Cell Cover Kit
ASB/SBC1B-020November 29, 2006XSlick Service Bulletin SB1-06A
ASB/SBC1B-019.1January 29, 2007XTail Rotor Swashplate Bellcrank Assembly Safety Washer Installation
ASB/SBDB-021October 24, 2007XRestrictions in Rolls-Royce Turbine Engine Operation
ASB/SBDB-020November 1, 2007XAlignment Inspection - KAFLEX Shaft to Engine Output Shaft
ASB/SBDB-022November 12, 2007XInspection of Tail Rotor Pedal Attachment Structure and Installation of Tail Rotor Pedal Attachment Reinforcement Kit
ASB/SBDB-018.3December 13, 2007XInspection for Fatigue Cracking in 269D3300-1 Aft Fuselage Assemblies and Installation of Stabilizer Mount Doublers
ASB/SBB-288.1April 21, 2008XXXTail Rotor Drive Shaft Splined Fittings Inspection
ASB/SBC1B-022.1April 21, 2008XTail Rotor Drive Shaft Splined Fittings Inspection
ASB/SBDB-023.1April 21, 2008XTail Rotor Drive Shaft Splined Fittings Inspection
ASB/SBC1B-023April 28, 2008XReprint of Precision Airmotive Mandatory Service Bulletin
ASB/SBB-289.1September 26, 2008XXXInstallation of Single Wheel Ground Handling Wheel Locking Device
ASB/SBB-290September 26, 2008XXXLanding Gear Skid Tube Aft Sleeve Inspection
ASB/SBC1B-025.1September 26, 2008XInstallation of Single Wheel Ground Handling Wheel Locking Device
ASB/SBC1B-026September 26, 2008XLanding Gear Skid Tube Aft Sleeve Inspection
ASB/SBDB-024.1September 26, 2008XInstallation of Single Wheel Ground Handling Wheel Locking Device
ASB/SBDB-025September 26, 2008XLanding Gear Skid Tube Aft Sleeve Inspection
ASB/SBB-291October 3, 2008XXXFuel Strainer Leak Check
ASB/SBC1B-027October 3, 2008XFuel Strainer Leak Check
ASB/SBB-292October 24, 2008XXXModification of Cabin Door Hinges
ASB/SBC1B-028October 24, 2008XModification of Cabin Door Hinges
ASB/SBC1B-024.1November 24, 2008XThrottle Control Restriction
ASB/SBDB-026December 8, 2008XModification of Cabin Door Hinges
ASB/SBB-293January 9, 2009XXXIncorrect Grease Identification in Certain Serial Number Helicopters
ASB/SBC1B-029January 9, 2009XIncorrect Grease Identification in Certain Serial Number Helicopters
ASB/SBDB-029February 13, 2009XLongitudinal Trim Assembly Spring Attachment
ASB/SBDB-027.2September 1, 2009XInspection of Engine-Transmission Oil Cooler Impeller
ASB/SBDB-031September 1, 2009XOil Cooler Impeller Blade Containment Kit
ASB/SBB-287.1August 24, 2010XXXMain Transmission Input Pinion Corrosion Protection
ASB/SBB-294August 24, 2010XXXIncorrect Bushing used in 269C Flight Controls
ASB/SBC1B-021.1August 24, 2010XMain Transmission Input Pinion Corrosion Protection
ASB/SBC1B-030August 24, 2010XCenter Control Cover Contacting Lateral Cyclic Control Rod
ASB/SBC1B-031August 24, 2010XIncorrect Bushing used in 269C-1 Flight Controls
ASB/SBDB-019.1August 24, 2010XMain Transmission Input Pinion Corrosion Protection
ASB/SBB-296January 5, 2011XXXClevis Pin Chaffing Bottom of Fuel Tank
ASB/SBC1B-033January 5, 2011XClevis Pin Chaffing Bottom of Fuel Tank
ASB/SBDB-034May 9, 2011X269D1120 Main Rotor Blade Paint Separation
ASB/SBB-297.1December 13, 2011XXXInspection of Main Rotor Drive Thrust Bearing Journal Radius
ASB/SBC1B-034.1December 13, 2011XInspection of Main Rotor Drive Thrust Bearing Journal Radius
ASB/SBDB-037.1December 13, 2011XInspection of Main Rotor Drive Thrust Bearing Journal Radius
ASB/SBB-298January 4, 2012XXXPOWERTRAIN: One-Time Inspection of Belt Drive Idler Pulley Hardware for Presence and_x000D_
Security
ASB/SBC1B-035January 4, 2012XPOWERTRAIN: One-Time Inspection of Belt Drive Idler Pulley Hardware for Presence and_x000D_
Security
ASB/SBB-299.1February 24, 2012XXXDRIVE TRAIN - Tail Rotor Drive Shaft Splined Fittings ? Perform a One-Time Inspection and_x000D_
Implement a Recurring Inspection for Wear
ASB/SBC1B-036.1February 24, 2012XDRIVE TRAIN - Tail Rotor Drive Shaft Splined Fittings ? Perform a One-Time Inspection and_x000D_
Implement a Recurring Inspection for Wear
ASB/SBDB-041.1February 24, 2012XDRIVE TRAIN - Tail Rotor Drive Shaft Splined Fittings ? Perform a One-Time Inspection and_x000D_
Implement a Recurring Inspection for Wear
ASB/SBB-295.1February 28, 2012XXXInspection and Modification of Tail Boom Support Strut Adjustable Diameter Bolt
ASB/SBC1B-032.1February 28, 2012XInspection and Modification of Tailboom Support Strut Adjustable Diameter Bolt
ASB/SBB-300April 18, 2012XXXOne-Time Inspection to Remove from Service Engine and/or Rotor Tachometer Cables with_x000D_
a Hexagonal Connector on One End.
ASB/SBC1B-037April 18, 2012XOne-Time Inspection to Remove from Service Engine and/or Rotor Tachometer Cables with_x000D_
a Hexagonal Connector on One End
ASB/SBDB-043April 26, 2012XENGINE INSTALLATION ? Engine Alignment Adjustment ? Implement Recurring Engine_x000D_
Alignment Checks
ASB/SBDB-040ADecember 4, 2012XPOWER TRAIN ? Ring Gear Carrier Assembly ? To Implement a Reduction in Service Life
ASB/SBB-302May 2, 2013XXXOne-Time Tail Rotor (T/R) Blade Borescope Inspection for Excess Primer
ASB/SBC1B-039May 2, 2013XOne-Time Tail Rotor (T/R) Blade Borescope Inspection for Excess Primer_x000D_
ASB/SBDB-050May 2, 2013XOne-Time Tail Rotor (T/R) Blade Borescope Inspection for Excess Primer
ASB/SBDB-044July 25, 2013XXXXXOne-Time Engine Alignment Check and Inspection of the KAflex? Drive Shaft, KAflex Coupling Assembly, and Engine Mount Assembly Absorbers
ASB/SBDB-046August 13, 2013XXXOne-Time Visual Inspection of Main Rotor (M/R) Blade Assemblies and Implement a Recurring Visual Inspection for Cracks
ASB/SBDB-052January 16, 2014XXReduction in service life of KAflex? Drive Shaft and Coupling Assembly (269D Configuration "A") and (269D). Implement a new 1200 Hour Overhaul Inspection of the KAflex Drive Shaft and Coupling Assembly
ASB/SBDB-054April 1, 2014XXKAflex Drive Shaft and Coupling Assembly Service Life Expiration
ASB/SBB-304April 15, 2014XXXOne-Time Load/Stroke Inspection of Landing Gear Dampers to be Performed at an Overhaul or Repair Facility
ASB/SBC1B-041April 15, 2014XOne-Time Load/Stroke Inspection of Landing Gear Dampers to be Performed at an Overhaul or Repair Facility
ASB/SBDB-057April 15, 2014XXXXXXOne-Time Load/Stroke Inspection of Landing Gear Dampers to be Performed at an Overhaul or Repair Facility
ASB/SBB-306November 21, 2014XOne-Time Inspection of Tail Rotor Flight Control Cables, Pulleys, and Forward and Aft Bellcranks for Damage and/or Wear, and Verification of Parts Configuration
ASB/SBC1B-042November 21, 2014XOne-Time Inspection of Tail Rotor Flight Control Cables, Pulleys, and Forward and Aft Bellcranks for Damage and/or Wear, and Verification of Parts Configuration
ASB/SBDB-060November 21, 2014XXOne-Time Inspection of Tail Rotor Flight Control Cables, Pulleys, and Forward and Aft Bellcranks for Damage and/or Wear, and Verification of Parts Configuration
ASB/SBC1B-043ADecember 18, 2014XPOWER TRAIN - Lower Coupling Drive Shaft - One-Time Inspection of Lower Coupling Drive Shaft and Shaft Assembly
ASB/SBC1B-044AJune 1, 2015XMAIN ROTOR AND CONTROL SYSTEM - Pilot's Collective Pitch Control Stick - One-Time Inspection of Collective Pitch Control Torque Tube
ASB/SBB-303June 30, 2015XPOWER TRAIN - Belt Drive Transmission Assembly - One-Time Inspection of the Belt Drive Transmission Upper Pulley Installation for Correct Torque, Parts Configuration and Stack-up, Damage and/or Wear
ASB/SBB-305June 30, 2015XXXPOWER TRAIN - Belt Drive Transmission Assembly - One-Time Inspection of the Belt Drive Transmission Upper Pulley Installation for Aft Pinion Nut Torque, Parts Configuration and Stack-up, Damage and/or Wear
ASB/SBC1B-040June 30, 2015XPOWER TRAIN - Belt Drive Transmission Assembly - One-Time Inspection of the Belt Drive Transmission Upper Pulley Installation for Correct Torque, Parts Configuration and Stack-up, Damage and/or Wear
ASB/SBDB-058June 30, 2015XXPOWER TRAIN SYSTEM - Belt Drive Transmission Assembly - One-Time Inspection of the Belt Drive Transmission Upper Pulley Installation for Aft Pinion Nut Torque, Parts Configuration and Stack-up, Damage and/or Wear
ASB/SBB-308AAugust 4, 2015XXXMAIN ROTOR AND CONTROL SYSTEM - Pilot's Collective Pitch Control Stick - One-Time Inspection of Collective Pitch Control Torque Tube
ASB/SBB-307AAugust 26, 2015XXXPOWER TRAIN – Lower Coupling Drive Shaft – One-Time Inspection of Lower Coupling Drive Shaft and Shaft Assembly
ASB/SBB-309February 29, 2016XXXPOWER TRAIN – Belt Drive Clutch Control Installation – One-Time Inspection of Cable Pulley Bracket
ASB/SBC1B-045February 29, 2016XPOWER TRAIN – Belt Drive Clutch Control Installation – One-Time Inspection of Cable Pulley Bracket
ASB/SBB-310March 3, 2016XXXMAIN ROTOR AND CONTROL SYSTEM AND TAIL ROTOR AND CONTROL SYSTEM – Main Rotor and Tail Rotor Control Rods – One-time Inspection of Flight Control Pushrods with Adjustable Rod Ends
ASB/SBC1B-046March 3, 2016XMAIN ROTOR AND CONTROL SYSTEM AND TAIL ROTOR AND CONTROL SYSTEM – Main Rotor and Tail Rotor Control Rods – One-time Inspection of Flight Control Pushrods with Adjustable Rod Ends
ASB/SBDB-062March 3, 2016XXMAIN ROTOR AND CONTROL SYSTEM AND TAIL ROTOR AND CONTROL SYSTEM – Main Rotor and Tail Rotor Control Rods – One-time Inspection of Flight Control Pushrods with Adjustable Rod Ends
ASB/SBDB-064May 6, 2016XXPOWER TRAIN SYSTEM – KAflex® Driveshaft – KAflex Driveshaft Reduction in Service Life
ASB/SBB-311June 30, 2016XXXCABIN AND CENTER FRAME SECTION-Cabin Doors - One-time Inspection of Airframe and Door Mounted Hinge Halves for Proper Sizing and Plunger Pin to Lug Engagement
ASB/SBC1B-047June 30, 2016XXXXXXCABIN AND CENTER FRAME SECTION-Cabin Doors-One-time Inspection of Airframe and Door Mounted Hinge-Halves for Proper Sizing and Plunger Pin to Lug Engagement
ASB/SBDB-066June 30, 2016XXCABIN AND CENTER FRAME SECTION – Cabin Doors – One-time Inspection of Airframe and Door Mounted Hinge-Halves for Proper Sizing and Plunger Pin to Lug Engagement
ASB/SBDB-070March 16, 2017XXPOWER TRAIN SYSTEM – KAflex® Driveshaft – One-Time Inspection of KAflex® Assemblies for Axial Play and Installation of Bolt (NAS6605-25)
ASB/SBDB-068March 17, 2017XXENGINE CONTROL SYSTEM – Adjustment of Power Controls – Revise N2 Restrictions for Rolls-Royce® Turbine Engine Operation and Installation of Engine N2 Avoidance Placard
ASB/SBDB-072October 3, 2017XXPOWER TRAIN SYSTEM – Kaflex® Drive Shaft – One-Time Inspection for the Correct Bolt that Attaches the Drive Adapter to KAflex® Assembly