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Thread: 737-500 missing in Indonesia
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Old 10th Jan 2021, 04:45
  #82 (permalink)  
isky998
 
Join Date: Jan 2021
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My dad is an LAE. From the flight pattern recorded, he suspect that the check valve is corroded. Due to the fact that most of the aircraft are grounded due to COVID-19, virtually no maintenance was done on them to save cost.
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