COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Sikorsky S-76 Series Helicopters
AD/S-76/24 Rotor Brake Installation - Modification 10/82
All models S-76A.
Modify the rotor brake system by incorporation of the following Sikorsky documents: 1. CSB 76-66-7.
2. CSB 76-66-8A.
3. CSB 76-66-10B.
4. CSN 76-51B.
FAA AD 82-17-03 refers.
Within 100 hours time in service after 31 October, 1982.
The manufacturer has introduced a number of modifications to the rotor brake system to reduce the possibility of brake drag and overheating.