Swelling found in ANA 787’s APU battery | ATWOnline

The ANA 787 made an emergency landing
after its main battery—a lithium ion battery
—failed and overheated. Japan Transport
Safety Board accident investigator Masahiro
Kudo told reporters during a Tuesday
briefing that the aircraft's APU battery, also
a lithium ion battery, had "slight swelling"
in two of its eight cells, according to
multiple reports from Tokyo.

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