Commonwealth legislation

AD/ENST 28/24 - Main Rotor Retention Assembly - Inspection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Owners/operators of Enstrom F‑28 family helicopters must inspect the main rotor retention assembly—initially within 100 hours TIS after 31 Oct 1982 and then every 200 hours TIS—using Enstrom Service Directive Bulletin No. 0057. The inspections respond to reported wear grooves from misaligned nylon shims; operators bear inspection and any repair costs.

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Direct links to the current provisions in AD/ENST 28/24 - Main Rotor Retention Assembly - Inspection.

AD/ENST 28/24 - Main Rotor Retention Assembly - Inspection

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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 Enstrom F-28 Series Helicopters

AD/ENST 28/24 Main Rotor Retention Assembly - Inspection 10/82

Applicability: All model F-28A, F-28C, F-28F, 280, 280C and 280F. Document: Enstrom Service Directive Bulletin No. 0057.

Note: FAA AD 82-16-09 Amdt. 39-4429 refers.

Compliance: Within 100 hours time in service after 31 October 1982, and thereafter at intervals not exceeding 200 hours time in service.

Background: Manufacture reports misalignment of the nylon shims has worn grooves in the inner surfaces of the blade grip.

Source text

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