23 February 2013

Boeing 787 Faces More Battery Problems

Bummer of a birth mark, Boeing
They have found swelling in another 787 battery:
Cells in a second lithium-ion battery on a Boeing Co 787 Dreamliner forced to make an emergency landing in Japan last month showed slight swelling, a Japan Transport Safety Board (JTSB) official said on Tuesday.

The jet, flown by All Nippon Airways Co, was forced to make the landing after its main battery failed.

“I do not know the exact discussion taken by the research group on the ground, but I heard that it is a slight swelling (in the auxiliary power unit battery cells). I have so far not heard that there was internal damage,” Masahiro Kudo, a senior accident investigator at the JTSB said in a briefing in Tokyo.

Kudo said that two out of eight cells in the second battery unit showed some bumps and the JTSB would continue to investigate to determine whether this was irregular or not.
Ummmm....I spent a few months working for a battery manufacturer. This is not a good sign.

Boeing purchasing McDonnell Douglas, and deciding to let McDonnell Douglas's failed management then take over the firm is bearing bitter fruit.


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