COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Robinson R22 Series Helicopters
AD/R22/21
Amdt 2
Sprag Clutch Replacement 12/85 DM
Applicability: As detailed in the Requirement Document. Requirement: Robinson Service Bulletin 46.
Compliance: Before further flight after 31st January 1986.
Background: SB42A required the owners of the affected rotorcraft to perform certain manoeuvres and checks with their aircraft to determine if it was equipped with one of the suspect clutches. The manufacturer now requires that the affected clutches be replaced.
Aircraft which already have had the new A188-2 sprag clutch installed are excluded.