Commonwealth legislation

AD/B747/93 - Section 42 Fuselage Frame Web

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This instrument requires owners/operators of Australian‑registered Boeing 747s (line numbers 001–045) to carry out the inspections and corrective actions set out in FAA AD 91‑06‑03 Amdt 39‑6923, adopted with an Australian effective date of 13 June 1991. It responds to FAA reports of cracks in Section 42 fuselage frames that could cause rapid depressurisation; compliance costs and disruption fall to the aircraft owners/operators.

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AD/B747/93 - Section 42 Fuselage Frame Web

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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 Boeing 747 Series Aeroplanes

AD/B747/93 Section 42 Fuselage Frame Web 6/91

Applicability: Model 747 series with line numbers 001 through 045.

Requirement: Action in accordance with the technical requirements of FAA AD 91-06-03 Amdt 39- 6923.

Compliance: As specified in the Requirement Document with a revised effective date of 13 June 1991 for Australian registered aircraft.

Background: The FAA has received reports of multiple cracks in the Section 42 frames. This condition, if not corrected, could result in rapid depressurisation of the aircraft.

Source text

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