Originally Posted by
dabrat
“This test resulted in venting with smoke but no fire,” the NTSB reported.
Boeing also consulted with other companies about their experience with the use of similar lithium-battery cells and “based on this information, Boeing assessed that the likelihood of occurrence of cell venting would be about one in ten million flight hours.”
Yet all of this analysis badly missed the mark. The probabilities proved to be off by a factor of 200.
The 787 that caught fire in Boston had logged just 169 flight hours....
Always good form to attribute the
material you quote 