Archives: Service Letter

All Service Letter

Lycoming Service Instruction No. 1255 (dated), 4 August 1972 -Thermostatic Oil Cooler Bypass Valve Replacement

Vendor Warranty and Repair – Police Patrol Equipment

Parts Replacement Kit PN 269A5540-901 Belt Drive Clutch Damper Assembly

Tailboom Spoiler PN 269A2320-5

Tailboom Center Support (Saddle) Fitting PN 269A2324-7

Oil Pressure Limitations

New Heavy Wall Drive Shaft for High Speed Tail Rotor System

Ordering Replacement Engine Air Intake Pipes

Timing of Magneto and Engine Ignition System

Inspection of Landing Gear Skid Assembly