AD/DAUPHIN/14 - Main Rotor Gearbox Oil Drain Plug - Inspection and Rework
1AD/DAUPHIN/14 - Main Rotor Gearbox Oil Drain Plug - Inspection and Rework
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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 Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters
AD/DAUPHIN/14 Main Rotor Gearbox Oil Drain Plug - Inspection and Rework
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Applicability: All models fitted with main rotor gear box modified to A.M.S. 07-7149 condition. Requirement: Aerospatiale S.B. 01-13.
Note: Bureau Veritas AD 83-186-18(B) refers. Compliance: Within 25 hours time in service after 30 November 1984 or prior to the main gear box initial installation in an aircraft.
Background: The manufacturer deems it necessary to rework the transmission deck flange, to prevent damage to the drain plug union, which may result in the loss of main gear box oil.