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A B737-900 captain reported his first officer noticed the crew oxygen system pressure was near zero. They descended to 10;000 ft and continued to destination.
| Attributes | |
| ACN | 975229 |
| Time | |
| Date | 201110 |
| Local Time Of Day | 0601-1200 |
| Aircraft 1 | |
| Make Model Name | B737-900 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Component | |
| Aircraft Component | Oxygen System/Crew |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
During cruise (FL350) astute first officer noticed cockpit O2 gauge was near zero. Considered options (terrain; weather; fuel; etc). Notified maintenance and dispatch. Initiated precautionary descent to 10;000 ft [and] continued normal flight to ord. Cause is under investigation by maintenance when we left aircraft.
Original NASA ASRS Text
Title: A B737-900 Captain reported his First Officer noticed the crew oxygen system pressure was near zero. They descended to 10;000 FT and continued to destination.
Narrative: During cruise (FL350) astute First Officer noticed cockpit O2 gauge was near zero. Considered options (terrain; weather; fuel; etc). Notified Maintenance and Dispatch. Initiated precautionary descent to 10;000 FT [and] continued normal flight to ORD. Cause is under investigation by maintenance when we left aircraft.
Data retrieved from NASA's ASRS site as of April 2012 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.