Commonwealth legislation

AD/F27/133 - Flight Controls - Flap Actuator Noise Filter Capacitors

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Jurisdiction

Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires operators of Fokker F27 aeroplanes (except Mk 050) to inspect flap actuator noise‑filter capacitors and replace them if needed, following specified Fokker and Lucas service bulletins, within 500 flight hours from 15 October 1992 or by 1 January 1993 (whichever is earlier). It responds to an incident where a detached capacitor damaged a lower aileron cable; compliance and the cost of inspection/replacement fall to aircraft operators and their maintenance providers.

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AD/F27/133 - Flight Controls - Flap Actuator Noise Filter Capacitors

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Fokker F27 Series Aeroplanes

AD/F27/133 Flight Controls - Flap Actuator Noise Filter Capacitors

Applicability: All Model F27 (except Mk 050).

11/92

Requirement: Action in accordance with Fokker SB F27/27-135 dated 1 June 1992 and Lucas Aerospace Power Equipment Corporation SB D7-9-27-01 dated 15 May 1991.

Note: RLD AD 92-076 dated 10 July 1992 refers.

Compliance: Within 500 time in service from 15 October 1992 or before 1 January 1993, whichever occurs first.

Background: Fokker advises that one operator recently experienced the detachment of a flap actuator noise filter capacitor, which subsequently caused damage to the lower aileron cable. This Directive requires the capacitors to be inspected and, if necessary, replaced to prevent similar occurrences.

Source text

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