Commonwealth legislation

AD/F28/56 - Instrument Panel Lights Ballast Transformers

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This directive requires owners/operators of specified Fokker F28s (serials 11003–11231, 11991–11992) to relocate instrument-panel lighting ballast transformers to the left cockpit sidewall by a fixed deadline, following Fokker Service Bulletin F28/33‑34. It addresses overheating/smoke risk, imposes the retrofit and associated costs on operators, and cross-references another AD that may add obligations.

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AD/F28/56 - Instrument Panel Lights Ballast Transformers

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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 F28 Series Aeroplanes

AD/F28/56 Instrument Panel Lights Ballast Transformers 9/88

Applicability: All models S/No’s 11003 to 11231 inclusive, 11991 and 11992.

Requirement: Relocate instrument panel light ballast transformers in accordance with Fokker Service Bulletin F28/33-34 dated 1 June 1988 or later.

Note: RLD AD 88-31 also refer.

Compliance: Prior to 8 March 1989.

Background: The instrument panel lighting ballast transformers are prone to overheating and subsequent failure with the emission of smoke in front of the pilots. To prevent this, the transformers are moved to the LH cockpit sidewall to improve ventilation.

Source text

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