On 14 July 2007, a Boeing 737 NG, registered ZK-PBF, taxied at Sydney Airport on taxiway 'G' to runway 16R for a takeoff to Christchurch, New Zealand. The aircraft entered the runway with left engine N1 at 28% RPM and right engine N1 at 20% RPM (idle).
The flight crew commenced the takeoff by increasing both engines' thrust and the Take Off / Go Around (TO/GA) button was pressed with the left engine N1 at 41% RPM and the right engine N1 at 24% RPM. As both engines accelerated, asymmetric thrust reduced directional controllability of the aircraft and it veered off the side of the runway before the crew could bring the aircraft to a halt on the crossing runway 07.
As a result of this occurrence, the aircraft operator has reviewed procedures for initial and recurrent training of flight crews.
|Date:||14 July 2007||Investigation status:||Completed|
|Time:||1848 EST||Investigation level:||Complex - click for an explanation of investigation levels|
|State:||New South Wales||Occurrence type:||Runway excursion|
|Release date:||18 February 2009||Occurrence class:||Operational|
|Report status:||Final||Occurrence category:||Serious Incident|
|Highest injury level:||None|
|Aircraft manufacturer||The Boeing Company|
|Type of operation||Air Transport High Capacity|
|Damage to aircraft||Minor|
|Departure point||Sydney, NSW|
|Departure time||1848 EST|
|Role||Class of licence||Hours on type||Hours total|