AD/B747/23 - Outboard Engine Strut Diagonal Brace Forward Clevis Root - Inspection and Modification

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B03128 In force Legislative Instrument

Legislation content

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Boeing 747 Series Aeroplanes

 

AD/B747/23 Outboard Engine Strut Diagonal Brace Forward

Clevis Root - Inspection and Modification

Applicability: All model 747 equipped with CF6, JT9D-3 or JT9D-7 engines. Document: 1. FAA AD 80-08-02, Amdt. 39-3738; or

2. Boeing SB No. 747-54-2070.

 

Compliance: As per requirement document No. 1.


7/80

 

Background: An overseas operator has detected transverse cracks in clevis root of brace. Defect is attributed to local thickness being less than specified.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.