Bis jetzt dachte ich, Akkus entzündeten sich im Betrieb. Offenbar machen sie es gelegentlich auch im Frachtraum des Flugis:

WASHINGTON (CNN) — The nation’s largest pilots’ union is asking the government to ban shipments of lithium batteries on all passenger and cargo planes, saying the batteries appeared to have erupted in smoke or flames on three planes in the last two months. But the union is not recommending that passengers be prohibited from boarding planes with the batteries, which are commonly found in laptop computers, cell phones, cameras and other electronic devices.