Commonwealth legislation

AD/OPTICA/3 - A51 Fan Replacement

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This AD requires all OA7 Optica series aircraft to have the A51 fan replaced in accordance with Brookland Aerospace Mandatory SB No 0A7/SB/0042 Issue 1, and mandates completion before a Certificate of Airworthiness is issued. It affects owners, registrants, and maintenance organisations preparing aircraft for certification.

The measure is safety-driven (A51 fans suffered fatigue failure) and shifts cost, scheduling and certification risk onto those responsible for entry into service.

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AD/OPTICA/3 - A51 Fan 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 FLS Aerospace OA7 Optica Series Aeroplanes

AD/OPTICA/3 A51 Fan Replacement 13/94 DM

Applicability: All model OA7 Optica series aircraft.

Requirement: Action in accordance with Brookland Aerospace Mandatory SB No 0A7/SB/0042 Issue 1.

Note: UK CAA AD 004-05-90 refers.

Compliance: Prior to issue of Certificate of Airworthiness.

Background: FLS Aerospace (Lovaux) Light Aircraft Division has advised that the A51 fan originally fitted to the OA7 Optica has suffered fatigue failure due to the fundamentally flawed design of the fan assembly. The A51 fan is therefore considered unsuitable for use on the aircraft.

Source text

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