A power supply unit at the centre of last weekend’s British Airways fiasco was in perfect working order but was deliberately shut down in a catastrophic blunder, The Times has learnt.
An investigation into the incident, which disrupted the travel plans of 75,000 passengers, is likely to centre on human error rather than any equipment failure at BA, it emerged.
https://www.thetimes.co.uk/edition/n...nder-tbfhxwsw2
n.b. The Times has a paywall restriction. You can sign up free for two articles a week. I'm up to my limit at the moment, so can't see and quote from the whole article, but the first two paragraphs seem to be sufficient to get the idea (though not later comment, if there is any, about alleged source).