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HomeTechnology peripheralsIt IndustryBoeing executives attended the accident investigation hearing and 'were confused' when asked: Bolts were lost, documents were lost, and the recordings were also lost

According to news from this site on August 7, a Boeing 737 MAX 9 passenger plane of Alaska Airlines in the United States suffered a "door fall" accident on January 5 this year, causing huge economic losses and mental trauma to the crew and passengers. Details The content can be found in the reports on this site at that time. Investigators from the U.S. National Transportation Safety Board (NTSB) found that the cause of the accident was that workers at Boeing's Renton plant failed to properly install key bolts used to secure the door, causing damage to the fuselage of the passenger plane during flight and injuring eight people on board. Minor injuries. The NTSB said the bolts were removed to repair rivets that were damaged during production and assembly and may have been missed after the rivets were reinstalled. One worker told investigators they were under so much pressure to get the job done quickly that mistakes were inevitable.

Boeing executives attended the accident investigation hearing and were confused when asked: Bolts were lost, documents were lost, and the recordings were also lost

U.S. Boeing executives attended the NTSB hearing and provided testimony regarding the door jam detachment accident in the air
  1. On August 6, local time, Boeing executives attended the U.S. National Transportation Safety Board (NTSB) hearing. Provided testimony in connection with investigations into the Boeing 737 MAX 9 passenger aircraft door plug detachment accident and other related investigations.
  2. Boeing reiterated that there are no relevant written records for the door jam disassembly and assembly operations that are crucial to the accident investigation, and it is still impossible to determine the disassembly and assembly personnel and the time when they were reassembled into the fuselage.
  3. According to hearing testimony, the fuselage of the aircraft involved was manufactured by Boeing supplier Spirit AeroSystems.
  4. Boeing removed the bolts on the door latch because there was a problem with the rivets next to the door plug and needed repair.
  5. The hearing lasted nearly 10 hours, and Boeing Senior Vice President of Quality Elizabeth Lund said that Boeing is making design changes to prevent similar incidents from happening.
  6. Elizabeth acknowledged that two employees who may have been involved in removing the bolts have been placed on paid leave, and the door crew manager is also on medical leave.
  7. Boeing’s safety system only saves the videos of the first 30 days, and the accident-related videos have been overwritten.
  8. A similar situation happened with the cockpit recording, and the recording after the accident has been lost.
  9. NTSB Chairman Jennifer Homendy emphasized that this hearing focused on outstanding issues and Boeing's operations before the accident.
  10. Jennifer said Boeing must improve its safety culture and the NTSB will pay attention to the FAA's supervision of Boeing.
  11. FAA Administrator admitted that the FAA’s supervision of Boeing was too laissez-faire before the accident.
  12. Jennifer said the FAA’s oversight of Boeing is riddled with flaws, missing and erroneous documents, and faulty policies.

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