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Captain on an S80 when leaving cockpit notices first officer oxygen mask was failing. Requested descent, then diverted.
| Attributes | |
| ACN | 422776 |
| Time | |
| Date | 199812 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : gup |
| State Reference | NM |
| Altitude | msl bound lower : 33000 msl bound upper : 33000 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Flight Phase | cruise other other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 422776 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
ATC facility: ZAB. Location: 80 mi west of gup. Level at FL330, after 1 hour of flight, I went to leave the cockpit. The first officer went to put on his oxygen mask. He noticed his oxygen was failing. At that time I asked ATC to descend to MVA. We went down to 12000 ft. After talking to dispatch we diverted to abq. Repairs were made and we went on to ord.
Original NASA ASRS Text
Title: CAPT ON AN S80 WHEN LEAVING COCKPIT NOTICES FO OXYGEN MASK WAS FAILING. REQUESTED DSCNT, THEN DIVERTED.
Narrative: ATC FACILITY: ZAB. LOCATION: 80 MI W OF GUP. LEVEL AT FL330, AFTER 1 HR OF FLT, I WENT TO LEAVE THE COCKPIT. THE FO WENT TO PUT ON HIS OXYGEN MASK. HE NOTICED HIS OXYGEN WAS FAILING. AT THAT TIME I ASKED ATC TO DSND TO MVA. WE WENT DOWN TO 12000 FT. AFTER TALKING TO DISPATCH WE DIVERTED TO ABQ. REPAIRS WERE MADE AND WE WENT ON TO ORD.
Data retrieved from NASA's ASRS site as of July 2007 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.