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JAL 777 operated without emergency exit door batteries
7 February 2006

It turned out that a Japan Air Lines Boeing 777 was operated for five days without batteries for the `Emergency exit door operation auxiliary system`. During maintenance the battery cases were replaced with cases; seven of the eight cases did not contain batteries. Another mechanic who should have checked the existence of the batteries had reportedly misread the English manual. (Yomiuri; Kyodo News)