COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Fokker F50 (F27 Mk 50) Series Aeroplanes
AD/F50/15 Engine Air Intake Seal 5/89 DM
Applicability: Model F27 mark 050 with serial numbers: 20103 through 20108
20110 through 20144
20146 and 20147
20150 through 20152
20155 through 20161
Requirement: Action in accordance with Fokker 50 Service Bulletin No. F50-30-004.
Note: RLD AD BLA 89-32 refers.
Compliance: Prior to 31 May 1989.
Background: The manufacturer has determined that ice accumulating at the rear of the engine air intake and on the flexible seal, can shed into the engine and cause a momentary flame-out.