Commonwealth legislation

AD/BAe 146/56 - Aileron Servo and Trim Tab Drive Brackets

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This directive requires inspection and any corrective action for the aileron servo and trim tab drive brackets on all BAe 146 aircraft because corrosion has caused flange cracking. Operators must complete an initial inspection by 28 September 1995 and follow Avro Mandatory Service Bulletin 57‑47 for further work; CASA enforces compliance and operators bear the inspection, repair and downtime costs.

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AD/BAe 146/56 - Aileron Servo and Trim Tab Drive Brackets

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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 British Aerospace BAe 146 Series Aeroplanes

AD/BAe 146/56 Aileron Servo and Trim Tab Drive Brackets 12/95

Applicability: All Series BAe 146 aircraft.

Requirement: Action in accordance with Avro International Aerospace Mandatory Service Bulletin 57-47.

Compliance: As specified in the requirement document with the initial inspection before 28 September 1995.

Background: The manufacturer received a report of corrosion on the bracket surface between the two tab drive flanges in the area of the two attachment bolts. This has given rise to cracking of the flanges at their base in severe corrosion cases.

Source text

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