AD/F50/12 - Engine Anti-Ice Control Unit
1AD/F50/12 - Engine Anti-Ice Control Unit
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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 Fokker F50 (F27 Mk 50) Series Aeroplanes
AD/F50/12 Engine Anti-Ice Control Unit 3/89
Applicability: F27 Mark 050 aircraft.
Requirement: Replace engine anti-ice control units in accordance with the requirements of Fokker SB F50-30-003.
Note: RLD AD BLA No. 88-105 refers.
Compliance: Forthwith.
Background: Following a number of flight tests which revealed ice formation in the engine intake duct, the manufacturer has released a new anti-ice control unit which increases the protection of the intake duct against ice formation. Fokker SB F50-30-003 details the procedure for replacement of the anti-ice control unit.