AD/B767/3 - Pneumatic Air Supply PRSOV Actuator Linkage - Inspection and Modification
1AD/B767/3 - Pneumatic Air Supply PRSOV Actuator Linkage - Inspection and Modification
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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 Boeing 767 Series Aeroplanes
AD/B767/3 Pneumatic Air Supply PRSOV Actuator
Linkage - Inspection and Modification
7/85
TX
Applicability: All models equipped with Pressure Regulating and shut off Valves Part Nos. 773288- 4 and 773288-5.
Requirement: Boeing Alert Service Bulletin 767-36A0015. Compliance: As detailed in the requirement document.
Background: The manufacturer has reported an incident where a failure of the PRSOV caused the pneumatic ducting to be subjected to high pressure air. Considerable damage resulted and jamming of the flap and breakage of the throttle control occurred.