Japan Airlines (JAL) has temporarily suspended operations of its Boeing 787 fleet following yesterday’s emergency landing by an All Nippon Airways (ANA) 787-8 that led ANA to ground all of its Dreamliners.
ANA has confirmed the event that led to its grounding involved a battery indicator message while the aircraft was at 30,000 ft. and that it was later discovered the aircraft’s main battery had leaked.
The US National Transportation Safety Board is investigating last week’s fire on a parked JAL 787 at Boston Logan Airport and has focused its attention on the lithium ion battery used to start the aircraft’s auxiliary power unit.
The ANA event has been registered as “a serious incident” by the Japanese Transport Ministry and is being investigated by the Japan Transport Safety Board. FAA launched a full reviewof the 787’s design and manufacture last week.
According to a statement, ANA flight NH692 was flying from Yamaguchi Ube to Haneda when aircraft indicators showed messages related to the battery. “There was also an unusual smell in the cockpit as well as in the cabin and the flight made an emergency landing at Takamatsu Airport,” ANA said.
“Later it was confirmed that the main battery in the forward electronic equipment bay was discolored and the electrolysis solution had leaked.”
The aircraft made an emergency landing at Takamatsu at 8:47 a.m. local time Jan. 16. The 129 passengers, two pilots and six cabin crew onboard evacuated via the aircraft’s emergency slides.
“One passenger who felt slight discomfort in the lower back after sliding down the emergency slide was taken to the hospital, but was diagnosed with no injury. Two passengers suffered minor abrasion when sliding down the emergency slide,” ANA said.
JAL, meanwhile, said that in view of the ANA incident, it had cancelled all 38 of its planned 787 flights for Jan. 16 and all 35 domestic 787 flights for Jan. 17. International flights on Jan. 17 will be operated by other aircraft types.
“Operations of JAL’s 787-8 aircraft from Jan.18 will be decided after further assessment of the situation with the investigations,” JAL said.
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