AD/TFE 731/18 - Digital Electronic Engine Control
1AD/TFE 731/18 - Digital Electronic Engine Control
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text AlliedSignal (Garrett/AiResearch) Turbine Engines - TFE731 Series
AD/TFE731/18 Digital Electronic Engine Control 2/90
Applicability: TFE 731-2, -5, -5AR, -5R series engines as listed in Garrett SB TFE 731-76-3049.
Requirement: Replace suspect digital electronic engine controls (DEEC) as listed by serial number in Garrett SB TFE 731-76-3049.
Note: FAA AD 89-22-16 refers.
Compliance: Prior to 31 March 1990.
Background: This Directive reflects advice from the manufacturer of a possibility that uncommanded thrust increase or decrease may occur due to a defect in certain electronic engine controls.