| September 13, 2005 |
L-179 |
Active |
Verification of Mandatory Cluster Fitting Replacement |
| December 24, 1973 |
L-79 |
Incorporated |
Vendor Warranty and Repair - Police Patrol Equipment |
| September 13, 2005 |
L-178 |
Active |
Upgrade of 269A4564-5 Linear Actuator (PIN SA - 269K-116) |
| April 9, 1982 |
L-127.1 |
Active |
Unlimited Service Life PN 269A5430 and -1 Driving Spl i ne Fitting and 269A6030 Driven Spline and Inspection Criteria |
| February 27, 1984 |
L-133 |
Active |
Unauthorized Tailboom Assemblies for 269 Series Helicopters |
| September 1, 1981 |
L-124 |
Incorporated |
Torque Value Established for PN 269A5714 Tail Rotor Drive Shaft Forward Reta i ning Nut |
| April 6, 1972 |
L-60.1 |
Incorporated |
Timing of Magneto and Engine Ignition System |
| March 2010 |
DL-015 |
Active |
Technical Publications - Policy & Price Changes, 2010 |
| March 11, 2010 |
L-183 |
Active |
Technical Publications - Policy & Price Changes, 2010 |
| February 20, 1969 |
L-54 |
Active |
Tailboom Spoiler PN 269A2320-5 |
| April 29, 1970 |
L-55 |
Incorporated |
Tailboom Center Support (Saddle) Fitting PN 269A2324-7 |
| May 1, 1972 |
L-69 |
Incorporated |
Tail Rotor Gearbox PN 269A6027 - Interchangeability Between Model 269 Series Helicopters |
| September 1, 1982 |
L-126.1 |
Available upon request |
Summary of FAA Supplemental Type Certificates for Hughes Model 269 Series Helicopters |
| August, 30, 2011 |
L-185 |
Active |
SUBJECT: MAIN ROTOR TRANSMISSION OIL SEAL COLLAR USAGE AND EFFECTIVITY |
| April 13, 1900 |
L-160 |
Active |
Strut and Bracket Assembly - Belt Drive Installation |
| December 8, 2008 |
DL-012 |
Active |
STRUCTURAL ENHANCEMENT OF TAIL ROTOR PEDAL MOUNT |
| August, 30, 2011 |
L-186 |
Active |
Specified Fuels Used in 269 Series Helicopters |
| August 22, 2001 |
L-173 |
Active |
Special Inspection of Main Rotor Transmission Magnetic Plug |
| February 11, 1986 |
L-135 |
Superseded N-214 |
Service Life Cutoff Limit |
| February 11, 1986 |
L-138 |
Active |
Service Life Cutoff Limit |
| February 10, 1984 |
L-45.2 |
Superseded L-145 |
Salvage Parts - 269 Series Helicopters |
| March 29, 1967 |
L-17 |
Incorporated |
Retrofit - Clutch Spring Attachment Strap |
| January 9, 2009 |
L-181 |
Active |
Retirement of Certain Engine and Rotor Tachometer Cables |
| June 8, 1966 |
L-1 |
Incorporated |
Input Spline Coupling PN 269A5607 Time Increase - Tail Rotor Transmission |
| June 8, 1966 |
L-2 |
Incorporated |
Recommended Overhaul Period - Rotorcraft Powerplants |
| October 5, 1966 |
L-3.1 |
Incorporated |
Interim Revision - Handbook of Maintenance Instruction (HMI) Re: 1200 Hour Periodic Inspection of Main Rotor Gear Drive Assembly |
| July 21, 1966 |
L-4 |
Cancelled |
Rebate Time Allowance - Lower Coupling Drive Shaft Assembly PN 5504-5 |
| August 1, 1966 |
L-5 |
Incorporated |
Replacement of Thermostatic Oil Cooler By Pass Valves, Per AVCO, Lycoming Division, Service Bulletin No. 304A (Red Bordered Mandatory) (dated), 24 June 66 |
| November 23, 1966 |
L-6.1 |
Incorporated |
Bendix Fuel Injection System, RSA Series Trouble Shooting Technique for Identifying Fuel to Air Seal Leak |
| August 22, 1966 |
L-7 |
Incorporated |
Belt Drive Clutch Engagement Spring PN 5476 -Availability and Utilization |
| October 4, 1966 |
L-8 |
Incorporated |
Illumination Intensity - Engine Instrument |
| October 13, 1966 |
L-9 |
Active |
Replacement - Fuel Flow Tubing Assembly |
| November 7, 1966 |
L-10 |
Incorporated |
Pressure Variation with Temperature - Amphibious Float Landing Gear |
| December 1, 1966 |
L-11 |
Incorporated |
Intake Pipe Replacement Per AVCO - Lycoming Division Service Instruction No. 1162 (dated), 16 Sept 1966 |
| December 5, 1966 |
L-12 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Main and Tail Rotor Overspeed Criteria |
| January 11, 1967 |
L-13 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Limited Life and Component Overhaul List |
| February 20, 1967 |
L-14 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Inspection Sudden Stoppage Drive System |
| February 21, 1967 |
L-15.1 |
Incorporated |
Definition - Limited Parts |
| August 23, 1967 |
L-16 |
Active |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Maintenance Instruction for Low Tip Speed Tail Rotor Assembly |
| March 29, 1967 |
L-17 |
Incorporated |
Retrofit - Clutch Spring Attachment Strap |
| April 1, 1967 |
L-18 |
Cancelled |
Ordering - Main Rotor Blades |
| April 1, 1967 |
L-19 |
Incorporated |
Replacement - Internal Seal, Fuel Drain Valve |
| April 1, 1967 |
L-20 |
Superseded N-41 |
Lycoming Service Letter No . L157A (dated), 9 Dec 66; Engine Mounted Full-flow Oil Filter |
| April 1, 1967 |
L-21 |
Incorporated |
Chemical Attack - Re: Bolteron and Royalite Parts |
| August 22, 1967 |
L-22 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Installation Pitch Control Rod Inspection of Pitch Bearing Cases, Main Rotor Swashplate Assembly and Swashplate Scissors Link |
| June 16, 1967 |
L-23 |
Incorporated |
Approved Fuels for Allison Model 250 Series Engine |
| May 5, 1967 |
L-24 |
Incorporated |
Proper Height of Contact Spring in - 200 Bendix Magneto Distributor Block |
| September 5, 1967 |
L-25 |
Active |
Parts Replacement - Main Rotor Shaft PN 5305-3, Hub 5305-5 and Lifting Eye 5305-7 |
| July 7, 1967 |
L-26 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: PN B1145-1 Main Rotor Blade Assembly |
| July 10, 1967 |
L-27 |
Incorporated |
Allison Model 250 Engine - Sales and Service |
| July 27, 1967 |
L-28 |
Cancelled |
Conversion of HO-360 - Bl A or HO-360-BlB Carburated Engine to HiO-360-BlB Fuel Injection Engine |
| September 22, 1967 |
L-29 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Lower Coupling Drive Shaft PN 269A5504 (basic) and -5 Shaft Assembly- Wear Tolerance |
| September 25, 1967 |
L-30 |
Incorporated |
New Tail Rotor Blade PN 6124-9 |
| October 2, 1967 |
L-31 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Lower Coupling Drive Shaft PN 269A5504 (basic) and -5 Shaft Assembly- Wear Tolerance Gear Oleo Dampers |
| October 31, 1967 |
L-32 |
Incorporated |
Bendix Corporation; RS Fuel Injection Service Bulletin No. 23 (dated), 10 Jan 1967 |
| November 17, 1967 |
L-33 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Overhaul Cycle, Tail Rotor Drive Transmission Assembly |
| December 13, 1967 |
L-34 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Special Torque Data - Forward Nut, Lower Pulley Drive Shaft |
| December 14, 1967 |
L-35 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: 25 Hour Periodic Inspection |
| December 28, 1967 |
L-36 |
Active |
Lycoming Service Instruction No . 1141 (dated), 20 Oct 1967 - Subject: Replacement of Wom Starter Ring Gears |
| January 2, 1968 |
L-37 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Overhaul Cycle; Main Rotor Gear Drive Assembly |
| January 31, 1968 |
L-38.1 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Inspection - Possible Retirement, Main Rotor Blades |
| February 27, 1968 |
L-39 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Inspection - Cable Belt Drive Clutch Control |
| March 14, 1968 |
L-40 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: 400 Hour Inspection - Droop Stop Retainer Ring |
| March 14, 1968 |
L-41 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: 600 Hour Inspection - Droop Stop Retainer Ring |
| March 14, 1968 |
L-42 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Limited Life; Main Rotor Drive Shaft and Main Rotor Gear Box Pinion Assembly |
| April 5, 1968 |
L-43 |
Incorporated |
Mixing Main Rotor Transmission Gears |
| April 18, 1968 |
L-44 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Sudden Stoppage Inspection; Lateral Control Bellcrank PN 269A7506 |
| February 10, 1984 |
L-45.2 |
Superseded L-145 |
Salvage Parts - 269 Series Helicopters |
| February 18, 1973 |
L-46.2 |
|
Bendix Energy Controls Division - Field Service Representation |
| July 16, 1968 |
L-47 |
Incorporated |
Interim Revision - Handbook of Maintenance Instructions (HMI) Re: Wear Tolerances - PN 269A5618 Output Shaft (RMI) Re: Wear Tolerances - PN 269A5618 Output Shaft.
Tail Rotor Transmission |
| September 11, 1968 |
L-48 |
Incorporated |
Balance Weight Installation - Main Rotor Blades |
| March 12, 1969 |
L-49.1 |
Active |
Grommet PN 269A2309, Tail Rotor Control Rod Guide Assembly |
| February 14, 1978 |
L-50.8 |
Superseded L-113.6 |
Exchange Program - Major Helicopter Components |
| October 18, 1968 |
L-51 |
Incorporated |
Main Rotor Blade Categories A, B, C and D |
| November 22, 1968 |
L-52 |
Incorporated |
Parts Replacement Kit PN 269A5540-901 Belt Drive Clutch Damper Assembly |
| December 9, 1968 |
L-53 |
Incorporated |
Inspection of Landing Gear Skid Assembly |
| February 20, 1969 |
L-54 |
Active |
Tailboom Spoiler PN 269A2320-5 |
| April 29, 1970 |
L-55 |
Incorporated |
Tailboom Center Support (Saddle) Fitting PN 269A2324-7 |
| June 12, 1970 |
L-56 |
Incorporated |
Oil Pressure Limitations |
| November 4, 1970 |
L-57 |
Incorporated |
New Attaching Hardware - Engine Cooling Shroud Side Panels |
| April 19, 1971 |
L-58 |
Incorporated |
New Heavy Wall Drive Shaft for High Speed Tail Rotor System |
| July 6, 1971 |
L-59 |
Incorporated |
Ordering Replacement Engine Air Intake Pipes |
| April 6, 1972 |
L-60.1 |
Incorporated |
Timing of Magneto and Engine Ignition System |
| August 23, 1971 |
L-61 |
Incorporated |
Increased Overhaul Time Interval for Main and Tail Rotor Transmissions |
| October 8, 1971 |
L-62 |
Incorporated |
Bendix Electrical Components Division - Service Bulletin No . 551 (dated), September 1971 - New Distributor Block Lubricant |
| November 1, 1971 |
L-63 |
Active |
Lycoming Service Bulletins No. 340 and 341 (dated), 27 August 1971 |
| December 13, 1971 |
L-64 |
Incorporated |
Lamp Replacement - PN 269A4322 Anticollision Light Assembly (Grimes) |
| January 21, 1972 |
L-65 |
Incorporated |
Abrasion Tape Application - Main Rotor Blades PN 269B1145, |
| February 14, 1972 |
L-66 |
Incorporated |
Desert Oil Cooler Kit |
| April 6, 1972 |
L-67 |
Active |
Improved Main Rotor Blade Damper Assembly PN 269Al927-5 |
| August 7, 1972 |
L-68.1 |
Incorporated |
Lycoming Service Bulletins, No. 336B (dated), 19 June 1972 and No . 343A (dated), 18 February 1972 - Periodic Inspection - Lubrication and Parts Replacement for Bendix S4LN-1208 Magnetos |
| May 1, 1972 |
L-69 |
Incorporated |
Tail Rotor Gearbox PN 269A6027 - Interchangeability Between Model 269 Series Helicopters |
| July 24, 1972 |
L-70 |
Incorporated |
Lycoming Service Bulletin No. 336B (dated), 19 June 1972 Re: Periodic Inspection and Lubrication of Magneto Distributor Bushing; Periodic Parts Replacement of Left Magneto |
| September 12, 1972 |
L-71 |
Active |
Lycoming Service Bulletin No . 355 (dated) , 4 August 1972 - Alternator Fan Replacement (Prestilite Bulletin No. ASM-8) |
| November 1, 1972 |
L-72 |
Incorporated |
Lycoming Service Instruction No. 1255 (dated), 4 August 1972 -Thermostatic Oil Cooler Bypass Valve Replacement |
| January 2, 1973 |
L-73 |
Incorporated |
Inflated Float Installation - Battery Acid Spillage |
| January 2, 1973 |
L-74 |
Incorporated |
Fuel Shutoff Control Cable - Rerouting to Reduce Operating Friction |
| February 13, 1973 |
L-75 |
Incorporated |
Increase Ring Gear to Carrier Torque |
| March 1, 1973 |
L-76 |
Incorporated |
Corporate Name Change |
| July 31, 1973 |
L-77 |
Incorporated |
Avco Lycoming Service Bulletin No . 365 (dated), 1 June 1973 - Bendix Magneto Conversion to Incorporate Flexible Drive |
| October 22, 1973 |
L-78 |
Incorporated |
New Main Transmission Input Pinion Forward Roller Bearing PN 269A5051-20 |
| December 24, 1973 |
L-79 |
Incorporated |
Vendor Warranty and Repair - Police Patrol Equipment |
| April 1, 1974 |
L-80 |
Active |
High Speed Rotor PN 269A6004 - Spare Assembly and Component Availability |
| May 31, 1974 |
L-81 |
Incorporated |
Discussion of Hughes Serial Numbering Method |
| August 5, 1974 |
L-82 |
Incorporated |
Inflatable Floats - Service , Maintenance and Repair Facilities |
| November 11, 1974 |
L-83 |
Available Upon Request |
Replacement - Tail Rotor Control Pedal Retaining Pins |
| November 18, 1974 |
L-84 |
Incorporated |
Replacement - 24V Clutch Actuator Noise Filter Capacitors |
| May 5, 1975 |
L-85 |
Incorporated |
Bendix Fuel Injection System Flow Divider Installation on HiO-360 Series Engine - Inspection/Modification |
| November 5, 1979 |
L-86.2 |
Incorporated |
Main Transmission - Ring , Pinion Gear Compatib i lity |
| August 11, 1975 |
L-87 |
Incorporated |
New Conical Type Teeter Bearings for LTS Tail Rotor Assembly |
| December 23, 1900 |
L-88 |
Incorporated |
Proper Correlation of Throttle and Collective Pitch Controls |
| December 11, 1975 |
L-89 |
Incorporated |
New Fiberglass Canopy Slat Installation PN 269A269A2216 |
| July 26, 1976 |
L-90 |
Incorporated |
New Tail Rotor Blades with Cadmium Plated Spar Assembly for Improved Corrosion Protection |
| July 26, 1976 |
L-91 |
Incorporated |
Alternate Lamp for Engine Instrument 3-Pack Units PN 269A4112 Series |
| October 11, 1976 |
L-92 |
Incorporated |
New PN 269B1145-25 Main Rotor Blade with Trim Tab |
| August 8, 1977 |
L-93 |
Incorporated |
New Aluminum Isolator Brackets for Mounting Engine Cooling Scroll Reduce Stress Levels in Engine Hanger Assemblies |
| July 22, 1977 |
L-94 |
Active |
Fiberglass Canopy Slat Installation PN 269A2216 - Attachment of Night Flying Position Lights |
| December 15, 1977 |
L-95 |
Active |
New PN 269Al 185-1 and 269Al 190-l Main Rotor Blade Assemblies with Leading Edge Abrasion Strip |
| April 10, 1978 |
L-96 |
Incorporated |
Paint Schedules and Ordering Procedures |
| May 22, 1978 |
L-97 |
Incorporated |
Inspection and Serviceability - Main Rotor Thrust Bearing PN 269A5050-63 and -73 |
| November 2, 1981 |
L-98.1 |
Incorporated |
Approved Grease for Drive System Rotating Bearings |
| July 15, 1978 |
L-99 |
Incorporated |
Installation of Engine Exhaust Flange Gaskets |
| January 7, 1980 |
L-100.1 |
Cancelled |
Exchange Program - Major Helicopter Componen t s |
| August 1, 1979 |
L-101 |
Incorporated |
Limited Life Increase for PN 269A5050-63 and -73 Main Rotor Thrust Bearings; Unlimited Service Life for PN 369A5408 Series Tail Rotor Transmission (LTS) Output Shaft |
| September 28, 1979 |
L-102 |
Incorporated |
New PN 269A8251 Heat Insulation Kit for Model 269C Engine Exhaust System |
| August 27, 1979 |
L-103 |
Incorporated |
Main Transmission Input Pinion Shaft PN 269A5103 and -9 - Limited Life Increased to 6000 Hours |
| September 28, 1979 |
L-104 |
Active |
Installation of Engine Exhaust Collector Required for 2050 LB Gross Weight Helicopter Operation |
| November 19, 1979 |
L-105 |
Incorporated |
Belt Drive Transmission PN 269A5559-3 Coupling Shaft - Limited Life Increase to 6000 Hours |
| February 1, 1982 |
L-106.1 |
Incorporated |
Drive System Rotating Bearings - Daily Purge with Mobil 28 Grease |
| December 10, 1979 |
L-107 |
Incorporated |
New Comfort Clips for Sam Browne Seat Belt and Shoulder Harness Assemblies |
| January 1, 1980 |
L-108 |
Incorporated |
New Wedge Base Lamp Socket PN 2973932 for Both Instrument Cluster Assemblies |
| March 24, 1980 |
L-109 |
Incorporated |
Bushing Requirements for PN 269A2324-7 Tailboom Center Support (Saddle) Fitting Installation |
| November 19, 1982 |
L-110.l |
Active |
12V Battery Relay PN MS24166Dl - Corrosion Protection and Relay Replacement |
| June 9, 1980 |
L-111 |
Superseded by L-156 |
New Seal Requirement for Overhaul of PN 269A3150 - 5 and -7 Landing Gear Damper Assemblies |
| June 9, 1980 |
L-112 |
Incorporated |
Periodic Cleaning and Lubrication of Sealed Bearing - Upper Pulley, Lower Coupling Drive Pulley, Idler Pulley and Main Rotor Drive Shaft Thruster Bearing |
| February 12, 1985 |
L-113.6 |
Incorporated |
Exchange Program - Selective Helicopter Components |
| February 15, 1983 |
L-114.2 |
Incorporated |
New Drive Belt H - Frame with PN 269A5050 - 78 Upper Pulley Bearing Having Service Life of 3000 Hours |
| September 30, 1980 |
L-115 |
Active |
Compliance with FAA Airworthiness Directives and Hughes Mandatory (Red Border) Service Information |
| December 8, 1980 |
L-116 |
Cancelled |
Customer Request for Original Weight and Balance Data |
| July 21, 1981 |
L-117.1 |
Incorporated |
Periodic Inspection and Replacemen t - Main Rotor Hub Attaching Bolts PN 269Al229 and 269Al232 |
| July 1, 1983 |
L-118.5 |
Cancelled |
Biannual Listing of Airworthiness Directives versus the Associated Hughes Service Information Notice |
| November 2, 1981 |
L-119.l |
Incorporated |
Aeroshell 14 Grease Only Approved Lubricant for Rotor System Oscillating Bearings |
| July 31, 1981 |
L-120 |
Incorporated |
Ground Handling Precautions for Main Rotor Systems Equ i pped w i th Elas t omericdampers |
| August 21, 1981 |
L-121 |
Incorporated |
Corrosion Control Manual now Available for General Distri b ution and Purchase |
| September 1, 1981 |
L-122 |
Superseded N - 214 |
Finite Life Increase for PN 269A6065 and 369Al 706 Tail Rotor Retention Straps Installed on Model 269C Helicopters |
| September 1, 1981 |
L-123 |
Incorporated |
New Protective Boot for 269A6034 Series LTS Tail Rotor Assembly |
| September 1, 1981 |
L-124 |
Incorporated |
Torque Value Established for PN 269A5714 Tail Rotor Drive Shaft Forward Reta i ning Nut |
| October 1, 1981 |
L-125 |
Incorporated |
New PN 269A5498 - 5 Lower Coupling Pulley Drive Shaft Provides as Replacement for PN 269A5498 - 3 Drive Shafts |
| September 1, 1982 |
L-126.1 |
Available upon request |
Summary of FAA Supplemental Type Certificates for Hughes Model 269 Series Helicopters |
| April 9, 1982 |
L-127.1 |
Active |
Unlimited Service Life PN 269A5430 and -1 Driving Spl i ne Fitting and 269A6030 Driven Spline and Inspection Criteria |
| February 15, 1982 |
L-129 |
Incorporated |
PN 269A5050 - 74 Idler Pulley Bearing and PN 269A5050- 78 Belt Drive H-Frame Upper Bearing - Service Life Increased to 3000 Hours |
| March 26, 1982 |
L-130 |
Incorporated |
New PN 269A3150-9 Aft Landing Gear Damper Assemblies Increase Static Height of Tail Skid for 269C Helicopters Operating in Cold Weather or with Increased Gross Weight |
| February 1, 1984 |
L-131.1 |
Active |
Distribution and Shipment of Schweizer - Hughes Model 300 Publications |
| November 24, 1982 |
L- 132 |
Active |
New Tailboom Assembly PN 269A2320 - 9 |
| February 27, 1984 |
L-133 |
Active |
Unauthorized Tailboom Assemblies for 269 Series Helicopters |
| March 9, 1984 |
L-134 |
Cancelled |
Return of Parts/Components to Schweizer Aircraft Corp. |
| February 11, 1986 |
L-138 |
Active |
Service Life Cutoff Limit |
| March 8, 1986 |
L-136 |
Cancelled |
Loan of Schweizer Throttle Governor Wire Harness Test Box PN 269A4995-301-99801-3 |
| March 30, 1900 |
L-137 |
Active |
Replace Aircraft Identification Plates |
| January 2, 1987 |
L-139 |
Incorporated |
Cleaning of Elastomeric Dampers |
| January 2, 1987 |
L-140 |
Active |
Proper Operations of Trim Controls |
| January 2, 1987 |
L-141 |
Active |
Explanation of Temporary Revision System |
| January 2, 1987 |
L-142 |
Incorporated |
Life Limit Update |
| January 2, 1987 |
L-143 |
Incorporated |
Overhaul Schedule Update |
| September 29, 1987 |
L-144 |
Incorporated |
Breakaway Torque Increase - MR Bearing Assembly |
| March 10, 1988 |
L-145 |
Active |
Company Policy - Unapproved Parts |
| September 1, 1987 |
L-146 |
Active |
Avco Lycoming Service Bulletins - No. 454B Replacement of Oil Pump Impellers, No. 456C Replacement of Oil Pump Impellers and No.477A Inspection and Rework of PNLW-18790 Rocker Arm Assembly |
| December 15, 1987 |
L-147 |
Active |
Publication Index - Major Change in Scope and Revision Process |
| February 1, 1989 |
L-148 |
Active |
Lubricating Oil |
| August 24, 1990 |
L-149 |
Active |
Changes to Notice and Letter Nomenclature |
| July 24, 1996 |
L-150.2 |
Active |
New Belt Drive Transmission H-Frame |
| May 30, 1991 |
L-151 |
Active |
Printer Errors in Notice and Letter Sets January 1990 |
| November 7, 1991 |
L-152 |
Active |
New Part Numbers for Tail Rotor Transmission Assembly |
| November 7, 1991 |
L-153 |
Active |
Extended Warranty Policy for Pinion and Ring Gears Installed in Main Rotor Transmissions Affected by Service Bulletin in Main Rotor Transmissions Affected by Service Bulletin
B-244 |
| May 8, 1992 |
L-154 |
Active |
Repair Facilities for Corrosion Damage Inspection of Main Rotor Driveshaft P/N 269A5305. Ref. Service Bulleting B-243 |
| April 29, 1993 |
L-155 |
Active |
Main Rotor Rod End Bearings and Lead-Lag Bushings |
| April 29, 1993 |
L-156 |
Incorporated |
New Improved Landing Gear Dampers |
| April 29, 1993 |
L-157 |
Active |
Overhaul Kits for Fuel Shut-Off and Drain Valves |
| April 29, 1993 |
L-158 |
Active |
Improper Maintenance Procedures in Installation of the 269A2324 Series Tail Boom Support Fitting (Saddle Fitting) Which Results in a Hazardous Flight Condition |
| April 30, 1995 |
L-159 |
Incorporated |
Additional Lubricants for Lower Coupling Drive Shaft |
| April 13, 1900 |
L-160 |
Active |
Strut and Bracket Assembly - Belt Drive Installation |
| April 7, 1997 |
L-161 |
Active |
New Improved Clutch Spring Retainer |
| April 15, 1997 |
L-162 |
Active |
Compliance of Service Notice N-59, AD 68-21-05, and AD 97-05-06against 269A5050-50, -53, and -73 Main Rotor Drive Shaft Thrust Bearing (Applicable to Models 269A, TH-55A, Shaft Thrust Bearing (Applicable to Models 269A, TH-55A,
269A-l & 269B) |
| September 27, 1999 |
L-163 |
Active |
Exchange Program for Elastomeric Tail Rotor Fork |
| September 27, 1999 |
L-164 |
Active |
New Electric Driven Airframe Fuel Pump |
| September 2, 1999 |
L-165 |
Active |
Compliance with Airworthiness Directive 99-17 - 10 |
| December 13, 1999 |
L-166 |
Active |
New Retirement Life for 269A51053-51 Input Pinion and 269A5194 Carrier Assembly Installed in Model 269C-l Helicopters |
| June 6, 2000 |
L-167 |
Active |
300CB Engine Time Between Overhaul Extension |
| August 10, 2000 |
L-168 |
Active (UK Only) |
New SA-269K-101 Fuel System Vent Kits |
| September 1, 2000 |
L-169 |
Active |
New SA - 269K-101 Fuel System Vent Kits |
| December 1, 2000 |
L-170 |
Active |
Introduction of New 269A5175-35 and - 37 Main Rotor Transmission Assemblies |
| January 25, 2002 |
L-172.1 |
Active |
New Design - Tail Rotor Drive Shaft |
| August 22, 2001 |
L-173 |
Active |
Special Inspection of Main Rotor Transmission Magnetic Plug |
| September 11, 2001 |
L-174 |
Active |
Introduction of New Lower Pulley Bearing Removal Tool |
| September 11, 2001 |
L-175 |
Active |
Optional Anti-Collision Light Conduit in New 269A2320 - 17 Tailboom Assemblies |
| September 13, 2002 |
L-177 |
Active |
AFT Cluster Fitting Modification Kit (PIN SA-269K-0106 - l) |
| September 13, 2005 |
L-178 |
Active |
Upgrade of 269A4564-5 Linear Actuator (PIN SA - 269K-116) |
| September 13, 2005 |
L-179 |
Active |
Verification of Mandatory Cluster Fitting Replacement |
| September 26, 2008 |
L-180 |
Active |
Function of Tail Rotor Driveshaft Damper Block |
| November 10, 2000 |
DL-007 |
Active |
ORIENTATION OF MAIN ROTOR TRANSMISSION BACKLASH SHIM |
| January 9, 2009 |
L-181 |
Active |
Retirement of Certain Engine and Rotor Tachometer Cables |
| June 17, 2009 |
L-182 |
Active |
ELT Direct Replacement Authorization |
| March 11, 2010 |
L-183 |
Active |
Technical Publications - Policy & Price Changes, 2010 |
| August, 30, 2011 |
L-185 |
Active |
SUBJECT: MAIN ROTOR TRANSMISSION OIL SEAL COLLAR USAGE AND EFFECTIVITY |
| August, 30, 2011 |
L-186 |
Active |
Specified Fuels Used in 269 Series Helicopters |
| January 4, 2012 |
L-187 |
Active |
To align with Sikorsky Aircraft Corporation’s Standard of Work for technical information, the following changes have been made to notifications. |
| December 6, 2021 |
L-188 |
Active |
269A1231 MAIN ROTOR BEARING SET DELIVERED ON OR AFTER JUNE 17,
2021. |
| September 23, 1998 |
DL-001 |
Active |
MODIFICATION OF AIRCRAFT PARTS CORPORATION STARTER/GENERATOR |
| July 6, 1999 |
DL-002 |
Active |
NEW SPLINED MAIN ROTOR HUB AND DRIVE SHAFT DESIGN WITH INCREASED TIME LIFE |
| July 6, 1999 |
DL-003 |
Active |
NEW DESIGN MAIN ROTOR DRIVE SHAFT THRUST BEARING |
| September 2, 1999 |
DL-004 |
Active |
COMPLIANCE WITH AIRWORTHINESS DIRECTIVE 99-17-10 |
| May 2, 2000 |
DL-005 |
Active |
INTERFACE AND PROGRAMMING OF THE GPS150/150XL TO DISPLAY SHADIN FUEL FLOW DATA ON THE GPS |
| August 11, 2000 |
DL-006 |
Active |
MODIFICATION KIT FOR 269D/330 START/GENERATOR ELECTRICAL SYSTEM |
| December 1, 2000 |
DL-008 |
Active |
INTRODUCTION OF NEW 269A5175-39 MAIN ROTOR TRANSMISSION ASSEMBLY |
| January 25, 2002 |
DL-009 |
Active |
NEW DESIGN - TAIL ROTOR DRIVE SHAFT |
| March 1, 2006 |
DL-010 |
Active |
EXCHANGE PROGRAM FOR CEF INDUSTRIES 8618M33 N2 TRIM ACTUATOR |
| July 21, 2006 |
DL-011 |
Active |
INTRODUCTION OF NEW MAIN ROTOR TRANSMISSION ASSEMBLY AND BELT DRIVE TRANSMISSION ASSEMBLY CONTAINING AN EXTENDED HUB UPPER PULLEY ASSEMBLY |
| December 8, 2008 |
DL-012 |
Active |
STRUCTURAL ENHANCEMENT OF TAIL ROTOR PEDAL MOUNT |
| March 11, 2010 |
DL-016 |
Active |
2010 PUBLICATIONS SCHEDULE |
| June 11, 2009 |
DL-013 |
Active |
ENGINE/TRANSMISSION OIL COOLER IMPELLERS |
| November 13, 2009 |
DL-014 |
Active |
C20W FUEL PUMP BYPASS CHECK |
| March 2010 |
DL-015 |
Active |
Technical Publications - Policy & Price Changes, 2010 |
| July 16, 2010 |
DL-017 |
Active |
LIMITED TIME UPGRADE OFFER |
| September 21, 2011 |
DL-019 |
Active |
Main Transmission Ring Gear Carrier Assembly – Request for Information |
| January 2, 2012 |
DL-020 |
Active |
269 Series Service Bulletins, Service Letters and Temporary Revisions |
