It has theorised that a component failure, either in the first officer’s oxygen mask storage box or the upstream ... which controls the cockpit-oxygen cylinder could cause overpressure of ...

According to an MHA circular dated April 23, 2021, on guidelines for the safe storage, transportation, and handling of liquid oxygen for medical ... If possible, move the cylinder to a remote ...

One of them closed and disconnected the aircraft’s oxygen cylinder before checking for ... Investigators recommended one-time checks on storage conditions of oxygen cylinders, plus additional ...