COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Robinson R22 Series Helicopters
AD/R22/19 Vee Belt Guide - Installation 1/84
Applicability: All model R22 with S/Nos. 0002 thru 0379 having P/N A020-2 Upper frame S/Nos.
0002 thru 0500 installed.
Document: Service Bulletin Number 35.
Compliance: When the next set of NEW A190-1 bee belts are installed, but no later than 30 June 1984.
Background: Several instances of newly installed vee belts climbing out of their sheave grooves, with a resulting loss of main transmission drive, has prompted the manufacturer to introduce a guide to prevent the problem.