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-8/11
Amdt 1
Engine Cowl Door Retention and Pressure Relief 4/90
Applicability: Model 100 series S/No. 1 to 156 and 158 to 199. Model 300 series S/No. 124.
Requirement: Modify both engine, engine cowlings in accordance with DHC S.B. No. 8-71-13 Rev C.
Note: Canadian AD CF-89-15 refers.
Compliance: Prior to 30 November 1990.
Background: There have been instances of loss of engine cowl doors during engine fires. That door loss has rendered the fire extinguishing system ineffective.
Amendment 1 reflects Rev C of the Requirement Document.