Commonwealth legislation

AD/CESSNA 150/2 Amdt 1 - Main Undercarriage U Bolts

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

This airworthiness directive requires owners/operators of Cessna 150/F150/152/F152 aeroplanes fitted with main undercarriage “U” bolts P/N 0441161 to perform recurring inspections: visual checks in place and torque checks to the Cessna Service Manual, plus periodic removal and magnetic‑particle inspection for cracks. It sets maximum intervals (visual ≤100 hours TIS; magnetic‑particle ≤500 hours TIS). Operators pay for inspections, removal and non‑destructive testing and must schedule maintenance downtime to comply.

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AD/CESSNA 150/2 Amdt 1 - Main Undercarriage U Bolts

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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 Cessna 150, F150, 152 & F152 Series Aeroplanes

AD/CESSNA 150/2

Amdt 1

Main Undercarriage “U” Bolts 11/67

Applicability: All models fitted with “U” bolts P/N 0441161 types.

Requirement: 1. Visual: Inspect the main undercarriage “U” bolts P/N 0441161 in situ for cracks and other damage and check that the “U” bolt retaining nuts are torqued to the values specified in the Cessna Service Manual.

Magnetic Particle: Remove the main undercarriage “U” bolts P/N 0441161 and inspect by the magnetic particle method for cracks particularly in the radius of the bends and in the root of the threads.

Compliance: Visual: At intervals not exceeding 100 hours time in service.

Magnetic Particle: At intervals not exceeding 500 hours time in service.

Source text

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