Commonwealth legislation

AD/F100/3 - Engine Cowling - Inspection/Modification/Repair

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legislative instrument

Plain English Summary

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This airworthiness directive requires operators of Fokker F28 Mk 100 (F100) aircraft serial numbers 11244–11438 to inspect the fixed engine cowling and carry out any repairs per Fokker Service Bulletin F100‑71‑016 (18 Feb 1994) before 15,000 flight hours; it takes effect 28 Jan 1999. It responds to discovered interference between cowl fasteners and engine crane beams that caused excessive rear‑airframe noise. Operators pay for inspections/repairs and schedule maintenance; the Civil Aviation Safety Authority prescribes the standard and compliance deadline.

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AD/F100/3 - Engine Cowling - Inspection/Modification/Repair

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Fokker F100 (F28 Mk 100) Series Aeroplanes

AD/F100/3 Engine Cowling - Inspection/Modification/Repair 1/99

Applicability: F28 Mk. 100 aircraft serial numbers 11244 through 11438.

Requirement: Inspect the fixed engine cowling in accordance with Fokker Service bulletin F100-71- 016 dated 18 February 1994, and carry out repairs in Service Bulletin to restore the structure(s) to a serviceable state.

Note: RLD Airworthiness Directive 94-038 (A) dated 21 February 1994 refers.

Compliance: Before accomplishment of 15,000 flight hours since new.

This Airworthiness Directive becomes effective on 28 January 1999.

Background: Reports of excessive noise from the rear of the aircraft during flight led to the discovery of interference between the fixed engine cowl fasteners and the forward and aft engine crane beams. This Directive introduces an inspection to check for such interference and measures to restore the structure and prevent further recurrence of the interference.

Source text

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

1 AD/F100/3 - Engine Cowling - Inspection/Modification/Repair