Commonwealth legislation

AD/HU 269/79 Amdt 1 - Main Rotor Drive Shaft

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This CASA aviation safety order requires inspection or replacement of certain main rotor drive shafts on Schweizer (Hughes) 269C helicopters due to a suspected heat‑treatment defect. It applies only to shafts with the listed serial numbers and directs operators to follow Schweizer Service Information No. N199‑1 (Rev 1) at the next scheduled 300/400/600/1200‑hour inspection after 30 June 1986. Failure could cause rotor loss and catastrophic accident.

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AD/HU 269/79 Amdt 1 - Main Rotor Drive Shaft

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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 Schweizer (Hughes) 269 Series Helicopters

AD/HU 269/79

Amdt 1

Main Rotor Drive Shaft 11/87

Applicability: All model 269C Helicopters fitted with main rotor drive shafts Serial Nos. 6570,6573, 6574, 6575, 6604, 6616, 6617, 6622, 6623, 6624, 6625, 6641, 6642, 6643 and 6644.

Requirement: Action in accordance with Schweizer Service Information No. N199-1. Compliance: At the next 300, 400, 600 or 1200 hour inspection, whichever comes first after

30 June 1986.

Background: The heat treatment of the above main rotor drive shafts is suspect. Amendment 1 to this Directive references Revision 1 to the Requirement Document.

Source text

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