Commonwealth legislation

AD/ROCK-114/13 Amdt 1 - Vertical Stabiliser Forward Spar Attachment Structure

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

5/10 complexity

This airworthiness directive requires owners/operators of Gulfstream (Rockwell) 114 and 114A aeroplanes (serials 14001–14540) to inspect the vertical stabiliser forward spar attachment for cracks (Requirement Para 1) and to perform a specified modification from the manufacturer’s Service Bulletin Part II (Requirement Para 2). Inspections must be done within 10 hours TIS after 7 May 1987; modification is required before further flight if cracks are found, otherwise by 24 March 1989. Operators bear inspection/modification costs; simple AC 43.13 repairs are not acceptable.

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Current sections

Direct links to the current provisions in AD/ROCK-114/13 Amdt 1 - Vertical Stabiliser Forward Spar Attachment Structure.

AD/ROCK-114/13 Amdt 1 - Vertical Stabiliser Forward Spar Attachment Structure

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Gulfstream (Rockwell) 114 Series Aeroplanes

AD/ROCK-114/13

Amdt 1

Vertical Stabiliser Forward Spar Attachment Structure

3/88

Applicability: Models 114 and 114A serial number 14001 to 14540.

Requirement: 1. Inspect for cracks in the fuselage frame and the vertical fin attachment fitting as shown in Part I of Gulfstream Aerospace SB 114-23A.

Note: This inspection requirement is unchanged from the previous issue of this Directive.

Modify the vertical fin attachment in accordance with Part II of Gulfstream Aerospace SB 114-23A.

Note: Simple AC 43.13 type repairs are not equivalent.

Compliance: For Requirement Para 1: Within 10 hours time in service after 7 May 1987.

For Requirement Para 2: Before further flight if cracks are found. Otherwise not

later than 24 March 1989.

Background: Numerous reports have now been received of cracking in the vertical stabiliser forward spar attachment structure. The manufacturer has analysed the load paths through this critical area and determined that substantial reinforcement is required to prevent further cracking.

Source text

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

1 AD/ROCK-114/13 Amdt 1 - Vertical Stabiliser Forward Spar Attachment Structure