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AD/BELL 204/6 Amdt 13 - Main Rotor Mast and Trunnion - Retirement Index Number (RIN) Recount/Inspection
Bell Helicopter Textron 204 Series HelicBell Helicopter Textron 204 Series Helicopters
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Bell Helicopter Textron 204 Series Helicopters
| AD/BELL 204/6 Amdt 13 | Main Rotor Mast and Trunnion - Retirement Index Number (RIN) Recount / Inspection | 16/2013 |
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| Applicability: | Model 204B helicopter, with main rotor mast, part number 204-011-450-001, -007,-105, -113, or -119, or main rotor trunnion, part number 204-011-105-001, or -103, installed. |
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| Requirement: | For the main rotor mast and trunnion, determine the accumulated Retirement Index Number (RIN), inspect, and action in accordance with the technical requirements of FAA Emergency Airworthiness Directive 2000-15-52, Amendment 39-12042.Bell Helicopter Textron Alert Service Bulletin 204-00-51, dated 8 April 2000 approved by the United States Federal Aviation Administration (FAA) as an Alternative Method of Compliance (AMOC) to FAA AD 2000-15-52, Amendment 39-12042 is considered acceptable for compliance with the equivalent Requirement of this AD. |
| Compliance: | From the effective date of this directive. |
| This Amendment becomes effective on 2 August 2013. | |
| Background: | Amendment 13 removes the requirement for retiring bolts connecting the Drive Link to Rotating Swashplate at 500 hours Time in Service (TIS). Current TIS of 1000 hours per Bell Helicopter Textron Maintenance and Overhaul Manual BHT-204B-M&O-1 is considered adequate. This amendment also makes reference to FAA AD 2000-15-52, Amendment 39-12042 for inspection of main rotor mast and trunnion. This amendment also notates the acceptability of an FAA approved AMOC for compliance with the equivalent requirement of this AD.Amendment 12 of this AD became effective on 10 August 2000 and was issued to require a specific life limitation for bolts connecting main rotor swashplate outer ring trunnions to swashplate drive links. |
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Mike Higgins
Delegate of the Civil Aviation Safety Authority
26 July 2013