[freedumb2003]

Well it is a good thing commercial airlines all fly in an antiseptic clean-room environment.

[Shermy]

“The Chicago-based company said its engineers believe the problem began as either a short circuit or an electrical arc in a power distribution panel, “most likely caused by the presence of foreign debris.”

I’m guessing a discarded juicebox (has aluminum) or one of those little V-8 cans, or a beer can stashed by a worker.

[El Cid]

Damned furiners...
At least it wasn't American debris...

[A.A. Cunningham]

Previously reported as a misplaced tool:

Misplaced tool caused 787 fire

[JRios1968]

Bush’s fault, of course