FlyerTalk Forums - View Single Post - 31-7: BA flight 2764 LGW-AMS diverted midflight back to LGW due MX
Old Aug 1, 2012 | 6:45 am
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frb98mf
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The TRU transforms AC power into DC power. Your plane probably had 3 units, and could function perfectly well on 2, so not life-threatening but you don't want to get really unlucky and be down to 1, hence turning the plane round...
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