A Japanese carrier has revealed that it replaced faulty batteries on
its Boeing 787 Dreamliner fleet last year, as aviation authorities
worldwide continue to ground the aircraft amid safety concerns over the
devices.In an interview with the New York Times,
All Nippon Airways (ANA) said the aircraft's main battery failed to
start normally on three occasions and had to be replaced along with the
charger. In other cases, one battery showed an error reading and
another, used to start the auxiliary power unit, failed. All the events
occurred from May to December of last year, the report said.
Megumi Tezuka,
spokeswoman for ANA, told CNN Wednesday that 10 lithium ion batteries on
its 787s were replaced in 2012, with a low charge being reported on
some of the devices on board the aircraft.
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