COMMONWEALTH OF AUSTRALIA CIVIL AVIATION ORDERS CIVIL AVIATION SAFETY AUTHORITY PART 105 SCHEDULE OF AIRWORTHINESS DIRECTIVES
GULFSTREAM (GRUMMAN) G.159 SERIES AEROPLANES
AD/G159/30 Amdt 1 Engine Nacelle Firewall - Inspection 10/82
Applicability: All models.
Document: Grumman Customer Bulletin No. 293, Amendment 1.
Compliance: At intervals not exceeding 150 hours time in service after 31 October 1982.
Background: Operators have found additional cracks in the centre of the firewall between the two locations described in the original Customer Bulletin.