Boeing issues safety bulletin after Lion Air crash

Boeing issues safety bulletin after Lion Air crash

This issue is said to arise only during manual flight.

What caused the plane to crash?

The sensor on the doomed plane had been replaced the day before, after it failed on a previous trip, the Indonesia National Transportation Safety Committee said in a briefing. "Is this fatal? NTSC wants to explore this", Tjahjono said.

The Boeing bulletin only reminds operators of the plane to follow the procedure and doesn't require any physical fixes that could take the aircraft out of service.

It has not been determined whether those incorrect readings played any role in the October 29 crash.

In a related development, Indonesia said it will extend by three days its search for the bodies of passengers from the ill-fated plane, an official said, as the authorities struggle to identify victims of the crash. They are now combing the seas for the voice recorder.

American said they had "received the bulletin from Boeing and we are reviewing".

"This is a preventative measure.(The accident) is a very expensive lesson for us".

The airline faulted the airport's aircraft movement control personnel who directed the plane.


According to reports, the initial investigation into the flight pattern of JT610 has suggested that the sensor was producing incorrect data which the flight computer processed to trigger further errors.

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"We are not ideal human beings", he said, sobbing.

WestJet also has 9 of the 737 MAX jets in its fleet, but the airline did not immediately respond to a query about the Boeing bulletin from CBC News.

All were found to be airworthy although two required repairs for "minor" problems.

Lion Air is one of Indonesia's youngest airlines but has grown rapidly, flying to dozens of domestic and global destinations.

The accident has resurrected concerns about Indonesia's poor air safety record, which until recently saw its carriers facing years-long bans from entering European Union and United States airspace.

A Boeing 737-900ER operated by PT Lion Mentari Airlines clipped a pole late Wednesday while taxiing at Bengkulu airport in southern Sumatra, shearing the tip of its left wing, the carrier said in a statement. There were no survivors.

Aerospace giant Boeing is preparing to alert pilots of its new 737 Max line of passenger jets warning that inaccurate readings in an onboard flight-monitoring system can cause the planes "to abruptly dive", Bloomberg reported on Tuesday, citing a source with knowledge of the matter.

"The draft of what will be conveyed by Boeing this morning has been presented to us", said air accident investigator Nurcahyo Utomo.

Indonesia's search and rescue agency extended the search effort on Wednesday for a second time, saying it would continue until Sunday. The plane is also in operation around the world from Air Italy to China Southern.

Investigators are likely focused on how a single sensor's failure resulted in a faulty command that didn't take into account information from a second sensor, said John Cox, CEO of Safety Operating Systems.