AD/HU 269/94 - Main Rotor Pitch Bearing Snap Ring Lockwasher
1AD/HU 269/94 - Main Rotor Pitch Bearing Snap Ring Lockwasher
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Schweizer (Hughes) 269 Series Helicopters
AD/HU 269/94 Main Rotor Pitch Bearing Snap Ring Lockwasher 13/89
DM
Applicability: Model 269C series with serial numbers 1166 through 1336.
Requirement: Unless already accomplished; inspect in accordance with Schweizer SIN No. N-227. Compliance: Within 50 hours time in service after 8 November 1989 or prior to 31 December
1989, whichever occurs first.
Background: The manufacturer has determined that there may be a possibility that the main rotor pitch bearing snap ring lockwasher (SL61W9F) is missing from the bearing stackup. This condition could result in separation of the main rotor pitch bearing housing assembly and rotor blade.