FILE - In this July. 20, 2016, file photo released by the Australian Transport Safety Bureau (ATSB), staff examine a piece of aircraft debris at their laboratory in Canberra, Australia. The flap was found in June 2016 by residents on Pemba Island off the coast of Tanzania and officials had previously said it was highly likely to have come from flight MH370. While search crews spent years trawling in futility through a remote patch of the Indian Ocean for the missing Malaysia Airlines Flight 370, people wandering along beaches on the other side of the ocean began spotting debris that washed ashore. Those pieces provided key information and raised questions whether Malaysia, Australia and China - who funded the hunt for the underwater wreckage - missed key opportunities by failing to organize coastal searches for plane parts. (ATSB via AP, File)
In this photo provided on Wednesday, May 13, 2015, by the Australian Transport Safety Bureau, debris from a shipwreck lays on the Indian Ocean floor, nearly 4 kilometers (2.5 miles) below the surface, off the west coast of Australia. (Fugro/The Australian Transport Safety Bureau via AP)
** FILE ** This Nov. 13, 2010, photo provided by the Australian Transport Safety Bureau, shows an engine that failed on a Qantas A380 superjumbo as it is being removed from the plane at Singapore Airport in Singapore. (AP Photo/Australian Transport Safety Bureau)