Commonwealth legislation

AD/B727/71 - Outboard Aileron Tab Mast Fitting - Inspection and Modification

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Operators of the Boeing 727s listed in Boeing SB No. 57-137 must inspect the outboard aileron tab mast fitting (initial within 500 hours, then every 1,500 hours until modified) and complete a one‑time modification—replace blind rivets with bolts and nut‑plates per Boeing SB 727‑57‑137 Rev.2 or FAA AD 75‑20‑09—by 1 July 1977. The AD sets the timetable; affected operators pay for inspections, parts, labour and downtime.

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AD/B727/71 - Outboard Aileron Tab Mast Fitting - Inspection and Modification

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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 727 Series Aeroplanes

AD/B727/71 Outboard Aileron Tab Mast Fitting - Inspection and Modification

Applicability: All models with S/Nos. as detailed in SB No. 57-137. Document: 1. Boeing SB No. 727-57-137, Rev. 2; or

FAA AD 75-20-09, Amdt. 39-2375.

11/75

Compliance: 1. Inspect: Initially within 500 hours time in service after 28 November 1975 unless already accomplished, and thereafter at intervals not exceeding 1500 hours time in service until modified by replacement of all blind rivets with bolts and nut-plates in accordance with document 1.

Modify: Before 1 July 1977.

Source text

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