Archives: Service bulletins

All Service bulletins

Daily Visual Inspection of Droop Stop Nut; One-time Dye Penetrant Inspection of Droop Stop Nut P/N 269A1340

Identification and possible Replacement of Collective Pitch Mixer Bellcrank

United Instruments, Inc. Altimeters (SZR Part No. 369H4505)

One-Time Inspection of Belt Drive Upper Pulley Assembly

Installation of PN 269A5593-3 H-Frame with PN 269A5050-78 Bearings

One-time Inspection of Bolt Holes at Tail Rotor Transmission Attachment Area

Installation of Main Rotor Blade Elastomeric Damper Assemblies P/N 269A1290-1

One-time Inspection of Main Rotor Driveshaft P/N 269A5304-5

One-time Inspection of main Rotor Hubs and Shafts; P/N 269A5305 and -9

One-time Inspection and Rework of P/N 269A4262 Inertia Reel Shoulder Harness Assemblies and Installation