AD/BELL 412/32 - Main Driveshaft and Tail Rotor Drive Over-Temperature Indicators
1AD/BELL 412/32 - Main Driveshaft and Tail Rotor Drive Over-Temperature Indicators
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Bell Helicopter Textron 412 Series Helicopters
AD/BELL 412/32 Main Driveshaft and Tail Rotor Drive
Over-Temperature Indicators
10/94
Applicability: All model Bell Helicopter Textron 412 Series Helicopters S/N 33001 through 33213, 34001 through 34024 and 36001 through 36086.
Requirement: Action in accordance with Bell Helicopter Alert Service Bulletin 412-93-79 Rev A.
Note: Transport Canada AD CF-94-07 dated 11 April 1994 refers.
Compliance: As specified in the Requirement Document effective from 15 September 1994.
Note: The Pilot in Command may carry out and certify in the maintenance release the Requirement Document Part II Serviceability Check required by this directive.
Background: Bell Helicopter has advised that the self adhesive temperature indicators are a more reliable means of over temperature indication than that provided by the zinc chromate primer stripe.