COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Gulfstream (Rockwell) 112 Series Aeroplanes
AD/AC-112/12 Rudder Rib - Inspection 3/82
Applicability: Models 112 and 112B S/Nos. 3 to 544 and 13000.
Models 112TC and 112TCA S/Nos. 13001 to 13309. Document: Gulfstream American Service Bulletin No. SB-112-68.
Compliance: Unless already accomplished within the last 100 hours’ time in service, inspect IAW Part I before further flight and thereafter at intervals not exceeding 100 hours’ time in service until Part II is accomplished.
Background: In service reports of cracks in rudder tip rib at balance weight attachment hole have been received by the manufacturer.