COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes
AD/AC/71 Aft Engine Mount Attachment - Inspection 10/80
Applicability: All models 690B with S/Nos. 11535 to 11566. Document: Rockwell International SB No. 173.
Compliance: Within 100 hours’ time in service after 31 October 1980.
Background: The manufacturer advises that the aft engine mount fitting may not be properly mounted to the firewall.