PPRuNe Forums - View Single Post - 787 Batteries and Chargers - Part 1
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Old 19th Feb 2013, 21:27
  #754 (permalink)  
saptzae
 
Join Date: Aug 2011
Location: hong kong
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@RR_NDB

Yeah, the poor battery integrators and BMU/BMS guys feel the heat for sure.

Making a positive assumption in view of the fact that 150 batteries were replaced, according to Boeing mostly due to being discharged until lockout.....

Mishandling deep discharge and reset BMU lockout

It could explain why nothing happened for several years, and then two in a row...

Unfortiunately, that just being another easy answer, it still would leave the Secondary (multi-cell failure/runaway) and Tertiary failure (fire) to deal with.

Gosh, mis-drilled oil pipes leading to wing perforation and environmentally friendly coatings leading to fan mid shaft failure and torched grass seem to be so much easier to deal with.
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