Archives: Service Letter

All Service Letter

Exchange Program – Major Helicopter Components

Main Rotor Blade Categories A, B, C and D

New Heavy Wall Drive Shaft for High Speed Tail Rotor System

Timing of Magneto and Engine Ignition System

Ordering Replacement Engine Air Intake Pipes

New Attaching Hardware – Engine Cooling Shroud Side Panels

Oil Pressure Limitations

Tailboom Spoiler PN 269A2320-5

Inspection of Landing Gear Skid Assembly

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