InstrumentInstrument identification
COMMONWEALTH OF AUSTRALIA CIVIL AVIATION ORDERS CIVIL AVIATION SAFETY AUTHORITY PART 105 SCHEDULE OF AIRWORTHINESS DIRECTIVES
GULFSTREAM (GRUMMAN) G.159 SERIES AEROPLANES
AD/G159/19 Amdt 4 Landing Gear 13/89
COMMONWEALTH OF AUSTRALIA CIVIL AVIATION ORDERS CIVIL AVIATION SAFETY AUTHORITY PART 105 SCHEDULE OF AIRWORTHINESS DIRECTIVES
GULFSTREAM (GRUMMAN) G.159 SERIES AEROPLANES
AD/G159/19 Amdt 4 Landing Gear 13/89
All models.
Carry out a fluorescent dye NDI for cracking of the landing gear aluminium forgings in accordance with Gulfstream Customer Bulletin No. 228B.
Within 150 landings after 28 December 1989, or since last overhaul whichever is the later, thereafter in accordance with the G1 Inspection Schedule.
The manufacturer has specified a range of NDI procedures to relieve this inspection, and enable inclusion into the Inspection Schedule. The Authority has called up fluorescent dye as the most suitable for Australia conditions.