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At 0715 Coordinated Universal Time on 20 October 2007, a Boeing Company 747-438 aircraft, registered VH-OJB, departed Los Angeles International Airport, USA, on a scheduled passenger flight to Brisbane, Australia. There were four flight crew, 14 cabin crew, and 406 passengers on board the aircraft. The first officer was the handling pilot for the flight. As the aircraft became airborne, a tyre on the left body landing gear disintegrated and a section of tyre debris impacted a line of the number-1 hydraulics system in the left body landing gear well. That caused fluid and pressure loss from that system. A short time later, the electronic indicating and crew alerting system (EICAS) screen in the cockpit advised that the number-1 hydraulics system had failed and a report was received from the cabin crew that a 'bang' was heard in the vicinity of the left main landing gear shortly before the aircraft became airborne. The flight crew completed checklist items and the flight continued uneventfully to Brisbane.

The operator found some inconsistencies in the aircraft manufacturer's documentation relating to hydraulics failures. The aircraft manufacturer has noted those and has advised that it will examine them as part of its ongoing standardisation program.

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General details
Date: 20 October 2007 Investigation status: Completed 
Time: 07:15 UTC  
Location   (show map):Los Angeles Airport Investigation type: Occurrence Investigation 
State: International Occurrence type: Hydraulic 
Release date: 16 June 2008 Occurrence class: Technical 
Report status: Final Occurrence category: Incident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 747 
Aircraft registration: VH-OJB 
Serial number: 24373 
Type of operation: Air Transport High Capacity 
Damage to aircraft: Minor 
Departure point:Los Angeles, USA
Departure time:0715 UTC
Destination:Brisbane, QLD
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Last update 14 November 2018