AD/BELL 212/48 - Tension Torsion Straps Retention Pins
1AD/BELL 212/48 - Tension Torsion Straps Retention Pins
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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 212/48 Tension Torsion Straps Retention Pins 12/91
TX
Applicability: All model 212 helicopters.
Requirement: Action in accordance with Bell Alert Service Bulletin No 212-91-68. Compliance: Prior to further flight after 17 October 1991.
Background: The manufacturer has become aware that bogus torsion strap retention pins P/N 204- 012-104-005 may have been purchased and installed in the main rotor hub assembly. The replacement pins have a significant reduction in material strength and could fail prematurely.