ASN Wikibase Occurrence # 191142
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Narrative:On Tuesday 12 September 2006 at 0727, flight NZ503, a Boeing 737-319 registered ZK-NGJ started its take-off at Auckland International Airport on a scheduled flight to Christchurch. On board were 2 pilots, 3 cabin crew and 96 passengers.
|Date:||Wednesday 12 September 2007|
|Owner/operator:||Air New Zealand|
|Fatalities:||Fatalities: 0 / Occupants: 101|
|Aircraft damage:|| Unknown|
|Location:||Auckland Airport, Auckland -
|Phase:|| Take off|
|Nature:||Passenger - Scheduled|
|Departure airport:||Auckland International Airport (AKL/NZAA) |
|Investigating agency: ||TAIC|
|Confidence Rating:|| Accident investigation report completed and information captured|
Partway through the take-off roll an electrical relay failed, causing a loss of battery bus power. The pilots identified an escalating number of electrical malfunctions after take-off and elected to return to Auckland. After landing, the aircraft started to slowly fill with smoke, so the captain ordered a ground evacuation of the aircraft. All passengers and crew exited the aircraft without injury.
The evidence available pointed to the failure of the relay being due to faulty manufacture, which led to the contacts within the relay deteriorating over its 7-year life to the stage they were unable to remain closed because of the vibration encountered during the take-off.
The operator had initiated actions to monitor the performance of the relay and establish more robust procedures for crews to identify and handle a loss of battery bus power.
The ground evacuation provided valuable guidance on the effectiveness of the operator?s crew resource management and emergency procedures training
| || |
|Investigating agency: ||TAIC |
|Report number: || |
|Status: ||Investigation completed|
|Download report: || Final report|
||Updated [Total fatalities, Total occupants, Other fatalities, Phase, Nature, Departure airport, Destination airport, Source, Narrative]|
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