COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Robinson R22 Series Helicopters
AD/R22/8 Control Systems Safety Washers - Installation 8/81
Applicability: All R22 models with S/Nos. 0002 to 0180. Document: Robinson SL No. 9.
Compliance: Within 100 hours time in service after 31 August 1981.
Background: To ensure that control system integrity will not be lost in the event of a pushrod end bearing failure, safety washers are installed at appropriate locations.