Final Report B773 (HL7534) Tokyo Japan, 26 May 2016

Final Report B773 (HL7534) Tokyo Japan, 26 May 2016

Publication info
Author
JTSB (Japan)
Category
Airworthiness Fire Smoke and Fumes
Date of publication
26/07/2018

On 26 May 2016, a Boeing 777-300 crew made a high speed rejected take off when departing from Tokyo after a number one engine failure warning was quickly followed by a fire warning for the same engine and ATC advice of fire visible. As the fire warning continued with the aircraft stopped, an emergency evacuation was ordered. The Investigation found that the engine failure and fire had occurred when the 1st stage disc of the High Pressure Turbine had suddenly failed as result of undetected fatigue cracking which had propagated from an undetected disc manufacturing fault.

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