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ZHUHAI, China / WASHINGTON (Reuters) – Boeing Co said on Wednesday it had issued a safety bulletin reminding pilots how to handle an error in the wake of last week's crash in Indonesia.
PHOTO: An Indonesian National Transportation Safety Commission (KNKT) official examines a turbine engine from the JT610 Lion Air flight at Tanjung Priok port in Jakarta, Indonesia, November 4, 2018. REUTERS / Beawiharta
The U.S. planemaker said investigators probing the Lion Air crash off the coast of Indonesia, in which all 189 aircraft were killed, the aircraft had failed.
Experts say that the angle of attack is a crucial parameter that helps aircrafts in the air.
Some modern aircraft have systems designed to correct the posture of flying wings.
There are also procedures for tracking the fuselage skin, but it remains unclear how much time the crew was flying.
Boeing said its bulletin underscored "existing flight crew procedures" to be wrong.
The Boeing 737 MAX has three such sensors. The Boeing 737 MAX to point the nose down to the front and back to the back.
A source said on condition of anonymity that the Boeing bulletin related only to the 737 MAX, of which there are just over 200 in service.
Service bulletins can be followed by airworthiness guidelines to the US Federal Aviation Administration, giving the recommendations extra weight.
Boeing has delivered 219,737 MAX jets to customers globally, with 4,564 orders for jets yet to be delivered.
The Boeing 737 MAX is a fuel-efficient version of the manufacturer's best-selling single-aisle 737 series.
The Lion Air crash was the first involving the new version, which introduced airlines in the last year.
Aircraft has been damaged by a flight of aircrafts.
A search for the cockpit voice recorder, the second so-called "black box", remains underway.
Reporting by Tim Hepher and David Shepardson; additional reporting by Tim Hepher in Zhuhai, China, Jamie Freed in Singapore, Allison Lampert in Montreal, and Cindy Silviana in Jakarta; Editing by Himani Sarkar
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