Editing Malaysia Airlines Flight 370 disappearance theories (section)

==Fire==
A number of theories suggest that the disappearance may have been the result of a fire in the cockpit, cargo compartment, landing gear, or another part of the plane.

In an earlier incident involving a Boeing 777, on 29 July 2011, [[EgyptAir Flight 667]] suffered an intense oxygen-fed cockpit fire while still on the ground which destroyed the flight controls, the instruments and burnt a hole through the hull of the aircraft. Despite the arrival of firefighters within three minutes, the fire took 90 minutes to extinguish.{{Citation needed|date=October 2019}} Malaysia Air's maintenance records for the 777 aircraft are required to include information on whether the FAA-mandated fix<ref>{{cite web|url=http://www.gpo.gov/fdsys/pkg/FR-2012-07-12/html/2012-15893.htm |title=Federal Register, Volume 77 Issue 134 (Thursday, July 12, 2012) |publisher=Government Printing Office www.gpo.gov |date=12 July 2012 |access-date=26 April 2014}}</ref> to the wiring near the co-pilot's oxygen hose and replacement of the oxygen hose with one without metallic components was performed. While not conclusive proof, none of the washed-up wreckage exhibited any signs of fire damage. Debris from MH370 was discovered in February 2016 that seemed to indicate burn marks, but expert analysis by the NTSB showed it was just resin discoloring the wreckage.<ref>{{Cite news |date=2017-01-17 |title=MH370: The key pieces of debris found by the public |url=https://www.bbc.com/news/world-asia-37820122 |access-date=2024-03-26 |work=BBC News |language=en-GB}}</ref>

Another suggestion is that the pilots had turned back and were attempting an emergency landing at the nearest suitable airport in [[Northern Malaya|Northern Malaysia]], perhaps [[Penang International Airport]] or [[Langkawi International Airport]] (Langkawi Island), a {{convert|13000|ft|km|adj=mid|-long}} airstrip with an approach over water with no obstacles. The emergency may have been due to an incident similar to the 11 July 1991 accident involving a Douglas DC-8, [[Nigeria Airways Flight 2120]], where a tire caught fire on takeoff, and the ensuing conflagration led to the destruction of the aircraft with the loss of 261 lives.<ref name=Goodfellow2014>{{cite news|last=Goodfellow|first=Chris|title=A Startlingly Simple Theory About the Missing Malaysia Airlines Jet|url=https://www.wired.com/2014/03/mh370-electrical-fire/|access-date=24 April 2014|newspaper=Wired|date=18 March 2014}}</ref> In another accident, involving a fire on a [[McDonnell Douglas MD-11]] on 2 September 1998, [[Swissair Flight 111]] from New York to Geneva developed a cockpit fire in the electrical wiring that spread rapidly, leading to a loss of flight instruments and control. The aircraft crashed into the Atlantic Ocean with the loss of 229 lives, 8 kilometres (5.0&nbsp;mi) from shore, southwest of [[Halifax Stanfield International Airport|Halifax International Airport]], Nova Scotia, where the plane was attempting an emergency landing. In the Swissair case, the transponders and communications systems failed due to fire and heat damage in the avionics circuit breaker panel.