Commonwealth legislation

AD/ML-M4/6 - Wing Inspection Holes - Modification

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

1/10 complexity

What it does: This directive orders owners and operators of Maule M-4 series aircraft to modify the wings by adding or altering inspection holes according to a specific technical blueprint (Maule Drawing No. W1-E622, Revision 2).

Who it affects: Anyone who owns or operates any model of Maule M-4 series aeroplanes.

What you must do: Carry out the physical modification to the wings as shown in the specified drawing. This typically involves drilling holes to allow maintenance crews to visually inspect the internal wing structure for corrosion, cracks, or other damage that could compromise safety.

When: Immediately (the term "forthwith" means you must comply without delay as soon as the directive applies to your aircraft).

Why it matters: Inspection holes are essential for detecting hidden structural problems before they cause wing failure. This modification ensures ongoing airworthiness by making critical safety checks possible.

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AD/ML-M4/6 - Wing Inspection Holes - Modification

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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 Maule M-4 Series Aeroplanes

AD/ML-M4/6 Wing Inspection Holes - Modification 3/69

Applicability: All models.

Document: Maule Drawing No. W1-E622, Rev. 2. Compliance: Forthwith.

Source text

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