Boeing has issued a warning to airlines using its 737 MAX planes after a sensor failure was identified as a potential cause of the crash of a passenger flight near Indonesia.
Exhibiting similar problems, a recently delivered Lion Air Boeing 737 Max 8 passenger plane crashed into the sea off Jakarta, Indonesia nearly two weeks ago with 189 people on board. The FAA also notified regulatory counterparts around the world, which typically follow the US agency's lead on safety matters.
"Lion Air apologises to all passengers for any inconvenience... it has sent a team to inspect the aircraft", the spokesman said.
AMC personnel of the airport had been questioned by the authorities over the accident, he added.
The Boeing 737 MAX has three such sensors but erroneous readings could cause it to point the nose down sharply in order to keep air under the wings and avoid a stall, according to a person briefed on the matter.
"We have instructed to ensure that airlines fulfil their obligations in accordance with the provisions by providing compensation for late flights to passengers".
Meanwhile, the Wall Street Journal characterized Boeing's bulletin as a "safety alert" covering "potentially suspect flight-control software that can confuse pilots and lead to a steep descent of the affected aircraft model".
Boeing Co. said on Wednesday it had issued a safety bulletin reminding pilots how to handle erroneous data from a key sensor in the wake of last week's crash in Indonesia.
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The Boeing 737 Max 8 had its first flight in January 2016. Both that flight and its October 28 trip from Bali to Jakarta showed erratic speed and altitude shortly after take-off.
The committee has said they were dealing with an "erroneous airspeed indication". The plane went into a sudden dive minutes after takeoff, from which the pilots were able to recover. They chose to fly on to Jakarta at a lower-than-normal altitude.
This comes less than two weeks after another Lion Air plane plummeted into the Java Sea en route to Pangkal Pinang from Jakarta on Oct 29.
"There were four flights in all that suffered a problem with the airspeed indicator", NTSC head Soerjanto Tjahjono told reporters.
Boeing issues an operational update for 737. "Safety is the top priority at Southwest, and we will continue to work closely with Boeing and the FAA to maintain the integrity of our fleet and validate our operating practices".
"The bulletin reinforces existing procedures which all Air Canada crews are now trained on", Fitzpatrick said. They are now combing the seas for the voice recorder.
The flight procedure recommendations to Boeing were based on how the flight crew responded to problems on the Bali-to-Jakarta flight, said investigator Nurcahyo Utomo.