That 787 fire: what to look for

The FAA is shortly to issue an airworthiness directive requiring checks of Boeing 787 emergency locator transmitters and the area surrounding them.

It was close to the ELT in the cabin ceiling that a fire broke out in an Ethiopian Airlines 787 at Heathrow on 12 July (see previous blog entry).

The FAA will advise operators to look for “pinched wires” and moisture, on the basis that a short circuit – possibly caused by damaged wiring insulation – may have started a fire that became more intense when the fire reached the ELT, which is powered by a lithium-manganese oxide battery.

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