AD/G159/37 - Main Landing Gear Uplock Beam Assembly - Inspection

This directive requires operators of all Gulfstream (Grumman) Model G159 aeroplanes to inspect the main landing gear uplock beam assembly at each daily or overnight check, using the procedure in Gulfstream American Customer Bulletin No. 12. It was issued after reported uplock beam failures on overseas aircraft.

The inspection may be performed and certified by the pilot in command, shifting some labor from maintenance to flight crews and imposing an ongoing compliance burden on all G159 operators.

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COMMONWEALTH OF AUSTRALIA CIVIL AVIATION ORDERS CIVIL AVIATION SAFETY AUTHORITY PART 105 SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source GULFSTREAM (GRUMMAN) G.159 SERIES AEROPLANES

AD/G159/37 Main Landing Gear Uplock Beam Assembly -

Inspection

3/80

Applicability: All Model G159.

Document: Gulfstream American Customer Bulletin No. 12. Compliance: At each daily or overnight inspection.

Note: This inspection may be performed and certified for by the pilot in command.

Background: Failures of the M.L.G. uplock beam assembly have occurred in overseas registered areoplanes.