Earlier crew logged defect report associated to flight’s stabilizer sensor, reveals probe findings, ETCFO
The Plane Accident Investigation Bureau’s (AAIB) preliminary findings on the deadly Air India Boeing 787-8 crash reveal that the flight’s earlier crew had reported a stabilizer sensor defect earlier on the identical day of the accident that killed 241 onboard the Boeing plane.
Following the defect report, Air India’s on-duty upkeep engineer carried out troubleshooting, and the plane was cleared for flight.
Additionally Learn: Air India aircraft crash report out; Each engines ‘reduce off’ mid-air ’01 second aside’
“The Flight AI171 had arrived in Ahmedabad earlier that day as AI423 from Delhi. The earlier crew had logged a defect report associated to a stabilizer sensor (“STAB POS XDCR”). Air India’s on-duty upkeep engineer carried out troubleshooting, and the plane was cleared for flight,” stated the report.
What did the report reveal?
In its 15-page report, the investigation bureau stated that after the plane achieved its high recorded pace, “the Engine 1 and Engine 2 gas cutoff switches transitioned from RUN to CUTOFF place one after one other with a time hole of 01 sec”.
“Within the cockpit voice recording, one of many pilots is heard asking the opposite why did he cutoff. The opposite pilot responded that he didn’t accomplish that,” it stated.
The plane rapidly started to lose altitude.
Additionally Learn: Air India crash probe tracks engine swap motion; no instant motion for Boeing or GE Aerospace
The switches then returned to the “RUN” place and the engines seemed to be gathering energy, however “one of many pilots transmitted ‘MAYDAY MAYDAY MAYDAY'”, the report stated.
Air visitors controllers requested the pilots what was fallacious, however then noticed the aircraft crashing and referred to as emergency personnel to the scene.
Air India was compliant with all airworthiness directives and alert service bulletins on the plane, the report stated.
The investigations bureau stated there have been “no beneficial actions to B787-8 and/or GE GEnx-1B engine operators and producers”, suggesting no technical points with the engines (GE) or the plane (Boeing).
Boeing stated in a press release it would “proceed to assist the investigation and our buyer”, including “our ideas stay” with these affected by the catastrophe.
The UN’s Worldwide Civil Aviation Group (ICAO) stipulates that states heading an investigation should submit a preliminary report inside 30 days of an accident.
