Commonwealth legislation

AD/Z 526/2 - Main Wing Spar Corrosion

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Commonwealth

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legislative instrument

Plain English Summary

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Owners/operators of all Morovan Zlin Z 526 aeroplanes must inspect the main wing spar per Morovan Mandatory Service Bulletin Z 526/69a, initially by 10 November 1996 and thereafter at intervals not exceeding 12 months. CASA issued the directive after Czech reports of exfoliation corrosion that can seriously reduce wing strength; it creates a recurring maintenance obligation and requires following the manufacturer’s inspection and corrective procedures.

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AD/Z 526/2 - Main Wing Spar Corrosion

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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 Morovan Zlin Z 526 Series Aeroplanes

AD/Z 526/2 Main Wing Spar Corrosion 11/96

Applicability: All models Z 526 aircraft.

Requirement: Inspect in accordance with Morovan Mandatory Service Bulletin Z 526/69a.

Note: Czech CAI AD 2-016/96 refers.

Compliance: Before 10 November 1996, and thereafter at intervals not to exceed 12 months.

Background: The Czech civil aviation authority received reports of exfoliation corrosion on the main wing spar flanges which seriously degraded the structural strength of the wing.

Source text

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