Commonwealth legislation

AD/BEA 121/23 - Engine Mounting Structure

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD requires owners/operators of Beagle B121 series 1 and 2 aeroplanes (at/after 1,000 hours TIS) to carry out the inspections and any corrective work specified in British Aerospace Service Bulletin B121/81. Inspections must begin within 50 hours TIS after 27 August 1979 and recur every 50 hours.

It was issued after the manufacturer reported engine‑mount cracking; operators bear the cost and mandatory compliance.

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/BEA 121/23 - Engine Mounting Structure.

AD/BEA 121/23 - Engine Mounting Structure

meta-content-style-type: text/css meta-content-type: application/xhtml+xml; charset=utf-8 meta-generator: Aspose.Words for .NET 22.10.0

?xml version="1.0" encoding="utf-8" standalone="no"?>

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Beagle B121 (Pup) Series Aeroplanes

AD/BEA 121/23 Engine Mounting Structure 10/79

Applicability: All Beagle B121 series 1 and 2, which have achieved 1000 hours time in service. Requirement: Action in accordance with British Aerospace (Scottish Division) SB No. B121/81.

Compliance: Inspect within 50 hours time in service after 27 August 1979 and thereafter at intervals not exceeding 50 hours time in service.

Background: The manufacturer reports that cases of engine mount cracking have been discovered in service.

Source text

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