Commonwealth legislation

AD/G1159/12 - Wing Rear Beam Lower Cap Splice Attachment Bolt - Inspection and Modification

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

What this is: A mandatory safety order (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority that requires owners to inspect and modify critical wing attachment bolts on specific Gulfstream aircraft.

Who it affects: Owners and operators of Gulfstream G1159 and G-IV series aeroplanes with serial numbers 1 through 140, and serial number 775.

What must be done: You must inspect and modify the bolts that attach the wing rear beam lower cap splice, following the technical instructions in Grumman Aircraft Service Change No. 163.

Deadline: Within 150 hours of flight time after 29 March 1974, or before 1 September 1974 — whichever happens first.

Why this matters: This prevents potential structural failure of the wing attachment points, which could cause the wing to separate from the fuselage during flight.

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AD/G1159/12 - Wing Rear Beam Lower Cap Splice Attachment Bolt - Inspection and Modification

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Gulfstream (Grumman) G1159 and G-IV Series Aeroplanes

AD/G1159/12 Wing Rear Beam Lower Cap Splice Attachment

Bolt - Inspection and Modification

Applicability: All models with S/Nos. 1 to 140 and 775. Document: Grumman Aircraft Service Change No. 163.

3/74

Compliance: Within 150 hours time in service after 29 March 1974 or before 1 September 1974 whichever occurs first.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.