COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Robinson R22 Series Helicopters
AD/R22/11 Clutch Shaft Plug Installation - Inspection 2/82
Applicability: Model R22 with S/Nos. 002 to 0226. Document: Robinson Mandatory SB No. 16.
Compliance: Within 25 hours time in service after 11 January 1982.
Background: Incorrect fitment of a clutch shaft plug reduced the airspace available within the clutch housing, resulting in displacement of a clutch forward seal by fluid expansion during normal heat buildup.