Commonwealth legislation

AD/DHC-3/24 - Main Landing Gear Fuselage Attachment Bolts

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD mandates removal and magnetic‑particle inspection of main landing gear‑to‑fuselage attachment bolts (P/N C3U72‑3 and C3U142‑5) on all DHC‑3 (Otter) aircraft to check for cracking around the grease‑outlet hole. Initial inspection is required within 100 hours TIS after 15 April 1969, with repeats at intervals not exceeding 500 hours. Owners/operators must arrange and pay for removal, inspection, any repairs or replacements, and associated downtime.

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AD/DHC-3/24 - Main Landing Gear Fuselage Attachment 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 DHC-3 (Otter) Series Aeroplanes

AD/DHC-3/24 Main Landing Gear Fuselage Attachment Bolts 3/69

Applicability: All models.

Requirement: Remove and inspect using a magnetic particle method main landing gear to fuselage attachment bolts P/Ns C3U72-3 and C3U142-5 for cracking particularly around the grease outlet hole.

Compliance: Within 100 hours time in service after 15 April 1969 and thereafter 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.