Commonwealth legislation

AD/F50/49 - Windshield Wiper Rotary Selector Switch Replacement

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD requires operators of Fokker F50 (F27 Mk 50) aeroplanes serials 20103–20199 to replace the Marquette windshield wiper rotary selector switch per Fokker Service Bulletin F50-30-012 Rev 1 before 2 March 1992. It addresses switch burn‑out that can damage wiring, pitot‑static lines and cause cockpit smoke. The mandate sets a fixed deadline but is silent on costs, suppliers or who performs the work.

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AD/F50/49 - Windshield Wiper Rotary Selector Switch Replacement

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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/F50/49 Windshield Wiper Rotary Selector Switch Replacement

Applicability: All F27 Mk 50 aircraft serial numbers 20103 to 20199 inclusive. Requirement: Action in accordance with Fokker Service Bulletin F50-30-012 Revision 1.

Note: Netherlands AD 91-123 also refers.

Compliance: Prior to 2 March 1992.

Background: Fokker have advised that certain windshield wiper rotary selector switches

1/92

manufactured by Marquette are prone to burn out. This may cause damage to the electrical wiring, insulation material and pitot static lines, and may also result in smoke on the flight deck.

Source text

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