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AAIB issues Special Bulletin on Boeing 777 electrical fire incident
Last updated: 26 November 2014

published: 19 APR 2007
by Harro Ranter, ASN

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The UK AAIB issued a Special Bulletin on a recent Boeing 777 electrical fire incident on the ground at London-Heathrow (LHR). After pushback and after starting the engines, smoke was detected in the Main Equipment Centre (MEC). Evidence of fire and electrical arcing damage was present within the P200 electrical power panel, and to the Right Generator Circuit Breaker and the Right Bus Tie Breaker in particular. It was also apparent that fire had been associated with the thermal/acoustic insulation blankets behind and beneath the P200 panel. The manufacturer has investigated 11 in-service reports of similar power panel events on B777 aircraft, and has published details of preventative action that operators may take. The AAIB will conduct an investigation into the circumstances of this accident. (AAIB)

» AAIB Special Bulletin S2/2007