Discovery of the debris, which may finally confirm the plane crashed into the sea after veering off course from Kuala Lumpur to Beijing with 239 passengers and crew, could help end 16 months of lingering uncertainty for relatives.
Aviation lawyers said it had also rekindled efforts by family members of passengers to seek greater compensation if the part is deemed to have belonged to MH370, aviation lawyers said.
Experts hope the barnacled 2-2.5 meters (6.5-8 feet) long wing surface known as a flaperon and a fragment of luggage could yield forensic clues to the fate of Malaysia Airlines Flight MH370, which vanished without trace in March 2014.