Commonwealth legislation

AD/F50/24 - Engine Control Rod Clearance

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Commonwealth

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legislative instrument

Plain English Summary

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This AD/F50/24 orders operators of Fokker F50 (F27 Mk 50) aeroplanes with serial numbers 20103–20108 and 20110–20167 to carry out the maintenance in Fokker Service Bulletin F50-54-006 before 31 December 1989. It’s meant to prevent control‑rod jamming from water freezing at a feedthrough hole. Owners/operators must fund and schedule the work, which may require downtime and access to the manufacturer’s bulletin, parts and qualified maintenance.

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AD/F50/24 - Engine Control Rod Clearance

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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 F50 (F27 Mk 50) Series Aeroplanes

AD/F50/24 Engine Control Rod Clearance 13/89

Applicability: F27 MK50 aircraft with serial numbers 20103 through 20108 and 20110 through 20167.

Requirement: Action in accordance with Fokker SB F50-54-006.

Note: Netherlands AD 89-100 refers.

Compliance: Prior to 31 December 1989.

Background: Country of origin AD. Freezing of water on control rod at feedthrough hole could cause jamming.

Source text

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