AD/BELL 212/41 - Pitch Change Link Universal
1AD/BELL 212/41 - Pitch Change Link Universal
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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 Bell Helicopter Textron 212 Series Helicopters
AD/BELL 212/41 Pitch Change Link Universal 11/89
DM
Applicability: All models fitted with universals P/N 204-011-128-1 after 1 April 1989.
Requirement: Carry out a one time inspection of the P/N 204-011-128-1 universal for staking marks around each bearing face. If the universal has 6 staking marks around each bearing remove from service and destroy universal.
Note: Bell OSN 212-89-19 refers.
Compliance: By 30 September 1989. Thereafter prior to installation.
Background: The U.S. Army has detected cracks, due to hydrogen embrittlement, around the staking marks used to retain bearings within the universal. This Directive is raised to ensure defective new universals are not fitted to civil aircraft.