Commonwealth legislation

AD/CESSNA 400/89 - Engine Truss

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This AD makes compliance with Cessna Service Bulletin CQB85‑24 mandatory for Cessna 441 aircraft S/N 441‑001 to 441‑0362 to address reported in‑service cracking at engine‑truss welded joints. Operators/owners of the affected fleet must carry out the SB’s inspections/repairs and will bear the associated costs and downtime. The AD delegates technical detail, intervals and compliance demonstration to the external Service Bulletin, creating reliance on that document and on the regulator’s enforcement.

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AD/CESSNA 400/89 - Engine Truss

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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 400 Series Aeroplanes

AD/CESSNA 400/89 Engine Truss 7/86

Applicability: All models 441 with S/Nos. 441-001 to 441-0362 Requirement: Action in accordance with Cessna Service Bulletin CQB85-24 Compliance: As per Requirement Document.

Background: In service cracking may occur at the welded joints in the engine truss as described in the Service Bulletin.

Source text

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