Commonwealth legislation

AD/B727/111 Amdt 1 - Engine Mount Cone Bolt Nuts

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

Airline operators and maintenance organisations for all Boeing 727s must inspect engine‑mount cone‑bolt nuts before each installation and remove any nut not identified in FAA AD 89‑21‑02, or confirm conformity to Boeing Service Letter 727‑SL‑71‑014‑C. This follows the FAA’s finding that counterfeit nuts entered the parts supply chain.

Operators pay inspection and replacement costs and must source acceptable parts; the amendment permits authentic Standard Pressed Steel (SPS) nuts that do not match the original AD part‑number description. Compliance is required from 1 September 2005.

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Current sections

Direct links to the current provisions in AD/B727/111 Amdt 1 - Engine Mount Cone Bolt Nuts.

Boeing 727 Series Aeroplanes

AD/B727/111 Amdt 1	Engine Mount Cone Bolt Nuts	9/2005

Applicability:	All Model 727 series aircraft.
Requirement:	Inspect the engine mount cone bolt nuts and remove from service any nut that is not identified in FAA AD 89-21-02 Amdt 39-6342; or,Inspect the engine mount cone bolt nuts to establish conformity to the cone bolt nuts identified and described in Boeing Service Letter (SL) 727-SL-71-014-C.Note: FAA Letter, reference 97-120S-490 (FAA Alternate Method of Compliance for FAA AD 89-21-02), and SL 727-SL-71-014-C refer.
Compliance:	Before each cone bolt nut installation, effective 1 September 2005.
	This Amendment becomes effective on 1 September 2005.
Background:	The FAA determined that bogus nuts have been introduced and sold to aircraft repair stations and parts distributors world-wide.Amendment 1 is issued to introduce an alternate method of compliance to FAA AD 89-21-02, in order to use authentic cone bolt nuts manufactured by Standard Pressed Steel (SPS) Technologies that do not specifically conform to the part number description in AD 89-21-02.

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David Villiers
Delegate of the Civil Aviation Safety Authority

21 July 2005

AD/B727/111 Amdt 1

Engine Mount Cone Bolt Nuts

9/2005

Source text

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

Boeing 727 Series Aeroplanes Boeing 727 Series Aeroplanes

Boeing 727 Series Aeroplanes

AD/B727/111 Amdt 1	Engine Mount Cone Bolt Nuts	9/2005

Applicability:	All Model 727 series aircraft.
Requirement:	Inspect the engine mount cone bolt nuts and remove from service any nut that is not identified in FAA AD 89-21-02 Amdt 39-6342; or,Inspect the engine mount cone bolt nuts to establish conformity to the cone bolt nuts identified and described in Boeing Service Letter (SL) 727-SL-71-014-C.Note: FAA Letter, reference 97-120S-490 (FAA Alternate Method of Compliance for FAA AD 89-21-02), and SL 727-SL-71-014-C refer.
Compliance:	Before each cone bolt nut installation, effective 1 September 2005.
	This Amendment becomes effective on 1 September 2005.
Background:	The FAA determined that bogus nuts have been introduced and sold to aircraft repair stations and parts distributors world-wide.Amendment 1 is issued to introduce an alternate method of compliance to FAA AD 89-21-02, in order to use authentic cone bolt nuts manufactured by Standard Pressed Steel (SPS) Technologies that do not specifically conform to the part number description in AD 89-21-02.

AD/B727/111 Amdt 1 - Engine Mount Cone Bolt Nuts

Plain English Summary

Deep dive

Current sections

Boeing 727 Series Aeroplanes

Boeing 727 Series Aeroplanes

AD/B727/111 Amdt 1

AD/B727/111 Amdt 1

Engine Mount Cone Bolt Nuts

Engine Mount Cone Bolt Nuts

9/2005

9/2005

Source text

Boeing 727 Series Aeroplanes Boeing 727 Series Aeroplanes

Boeing 727 Series Aeroplanes

AD/B727/111 Amdt 1 AD/B727/111 Amdt 1

AD/B727/111 Amdt 1

Engine Mount Cone Bolt Nuts Engine Mount Cone Bolt Nuts

Engine Mount Cone Bolt Nuts

9/2005 9/2005

9/2005