COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Bombardier (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes AD/DHC-8/42 Door Labels 12/95 Applicability: Model DHC-8 aircraft, all series, with serial numbers 3 through 402. Requirement: Carry out the label replacement procedure of the Accomplishment Instructions of de Havilland Service Bulletin 8-11-14. Note: Transport Canada AD CF-87-07R1 refers. Compliance: Unless already accomplished, before 30 November 1995. Background: Instances have been reported of passengers mistaking the passenger exit door handle for the toilet door handle and depressurising the aircraft while searching for the toilet.