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Ce-680 captain reported maintenance found 7 of 10 passenger oxygen masks were not attached properly; causing a loss of oxygen pressure.
| Attributes | |
| ACN | 1646223 |
| Time | |
| Date | 201905 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZZ.Airport |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | Cessna Citation Sovereign (C680) |
| Flight Phase | Other Non-Flight |
| Component | |
| Aircraft Component | Oxygen System/Pax |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
Picked up [the aircraft]. Had a few write-ups for maintenance including oxygen level low. I wrote it up and it was serviced to the max level. Then 2 days later (they were working other maintenance issues) we went to go fly it and the oxygen was low again. Wrote it up again. The mechanic discovered 7 of the 10 passenger masks were not attached properly.reporting this event in the hopes that this type of discovery won't happen again. This could have had a very bad outcome.
Original NASA ASRS Text
Title: CE-680 Captain reported maintenance found 7 of 10 passenger oxygen masks were not attached properly; causing a loss of oxygen pressure.
Narrative: Picked up [the aircraft]. Had a few write-ups for Maintenance including oxygen level low. I wrote it up and it was serviced to the max level. Then 2 days later (they were working other maintenance issues) we went to go fly it and the oxygen was low again. Wrote it up again. The mechanic discovered 7 of the 10 passenger masks were not attached properly.Reporting this event in the hopes that this type of discovery won't happen again. This could have had a very bad outcome.
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.