Commonwealth legislation

AD/HS 125/81 - Aileron Mass Balance - Cracking of Side Plate Attachment Lugs

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This AD requires operators of British Aerospace BAe 125 aeroplanes (all models to -700 inclusive) to carry out inspections per BAe Service Bulletin 57‑66 Rev 1 before 31 March 1987 and then every 600 flight hours until the permanent repair is done under Repair Scheme 25WG/R143. It affects owners, maintenance providers and parts suppliers, imposes inspection and repair costs, and addresses aileron‑interference risk from cracked mass‑balance side‑plate lugs.

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AD/HS 125/81 - Aileron Mass Balance - Cracking of Side Plate Attachment Lugs

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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 125 Series Aeroplanes

AD/HS 125/81 Aileron Mass Balance - Cracking of

Side Plate Attachment Lugs

Applicability: All models to -700 inclusive.

Requirement: Action in accordance with British Aerospace 125 S.B. 57-66, Rev 1.

12/86

Compliance: Prior to 31 March 1987 and thereafter every 600 hours time in service until repaired in accordance with Repair Scheme 25WG/R143.

Background: Cracking of the attachment lugs of the aileron mass balance side plate may result in displacement of the side plate and interfere with aileron movement.

Source text

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