Commonwealth legislation

AD/TFE 731/18 - Digital Electronic Engine Control

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

The AD requires owners/operators of specified TFE 731-2/‑5/‑5AR/‑5R engines to remove and replace particular digital electronic engine controls (DEECs) identified by serial number in Garrett SB TFE 731‑76‑3049 by 31 March 1990. It responds to manufacturer advice of a defect that could cause uncommanded thrust changes; operators bear the cost, must check the SB to determine applicability, and comply by the deadline.

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Current sections

Direct links to the current provisions in AD/TFE 731/18 - Digital Electronic Engine Control.

AD/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

View image in the official source 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.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.