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B767 captain reported that the crew O2 level was found low during pre-flight by the next crew on the aircraft.
| Attributes | |
| ACN | 1611680 |
| Time | |
| Date | 201901 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
It was brought to my attention by the oncoming ca (captain) that mx (maintenance) had discovered the crew O2 (oxygen) level was low. Mx had also found; sometime after our arrival; that the O2 valve was in the closed position. To the best of my knowledge; the proper O2 checks were done before we left [our departure field]; including the 10 second bleed test that was done by my first officer (first officer); with no abnormalities noted. We did not note any discrepancies upon arrival; although neither the first officer nor myself recall checking the O2 level after landing; as this is not included in any post flight duties. I would suggest closer attention be paid to the O2 levels in flight. This does take a conscious decision as this page is not normally displayed in flight. Do not make assumptions that proper mx procedures are followed; as the logbook was stamped that it was approved for return to service. Always back yourself up.
Original NASA ASRS Text
Title: B767 Captain reported that the crew O2 level was found low during pre-flight by the next crew on the aircraft.
Narrative: It was brought to my attention by the oncoming CA (Captain) that MX (Maintenance) had discovered the crew O2 (Oxygen) level was low. MX had also found; sometime after our arrival; that the O2 valve was in the closed position. To the best of my knowledge; the proper O2 checks were done before we left [our departure field]; including the 10 second bleed test that was done by my FO (First Officer); with no abnormalities noted. We did not note any discrepancies upon arrival; although neither the FO nor myself recall checking the O2 level after landing; as this is not included in any post flight duties. I would suggest closer attention be paid to the O2 levels in flight. This does take a conscious decision as this page is not normally displayed in flight. Do not make assumptions that proper MX procedures are followed; as the logbook was stamped that it was approved for return to service. Always back yourself up.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.