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The ATSB is investigating the factors that contributed toward the cracking of an engine pylon from a Boeing 747-438 aircraft, registered VH-OJT.

Numerous cracks in structural members of the pylon for the number two engine were found during routine maintenance of the aircraft.

The ATSB will obtain engineering and inspection reports, undertake material failure analysis and gather additional information from the aircraft manufacturer as part of the investigation.

General details
Date: 05 October 2016 Investigation status: Active 
Time: 11:00 ESuT Investigation phase: Final report: Internal review 
Location   (show map):Hong Kong, China Investigation type: Occurrence Investigation 
State: International Occurrence type: Fuselage/wings/empennage 
 Occurrence class: Technical 
Report status: Pending Occurrence category: Incident 
Expected completion: 2nd Quarter 2018 Highest injury level: None 
Aircraft details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 747-438 
Aircraft registration: VH-OJT 
Serial number: 25565 
Operator: Qantas Airways 
Type of operation: Air Transport High Capacity 
Sector: Jet 
Damage to aircraft: Unknown 
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Last update 30 April 2018