AD/ENST 28/13 - Main Rotor Hub Retention Lock Washer - Replacement

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Legislation au F2006B09568 In force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Enstrom F-28 Series Helicopters

 

AD/ENST 28/13 Main Rotor Hub Retention Lock

Washer - Replacement


4/76

 

Applicability: All models F-28A with S/Nos. 4 to 275, 277, 278, 280 to 283, and models 280 with

S/Nos. 1001 to 1006.

 

Document: 1. Enstrom Service Note No. 0025A; or 2. FAA AD 75-22-10.

Compliance: Within 25 hours time in service after 30 April 1976.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.