COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 767 Series Aeroplanes AD/B767/7 Passenger/Crew Door Latch Overcentre Mechanism 4/86 DM Applicability: All model 767 with line position 2 to 121 and 124 to 127. Requirement: Action in accordance with Boeing SB 767-52-0041. Note: FAA AD 86-02-01 refers. Compliance: Prior to 31 March 1986. Background: Boeing Co have reported that a significant percentage of self locking nuts P/N BACN10JC6CM in stock do not meet specified locking torque requirements.