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Aci noted cockpit O2 pressure zero during cruise at FL350. PIC, then noticed the aci had failed to turn off the emergency switch at the observers station. Aircraft descended to 10000' and continued to destination.
| Attributes | |
| ACN | 97014 |
| Time | |
| Date | 198810 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : lev |
| State Reference | LA |
| Altitude | msl bound lower : 10000 msl bound upper : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zhu |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 4000 |
| ASRS Report | 97014 |
| Person 2 | |
| Affiliation | government : faa |
| Function | observation : air carrier inspector |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
While flight was en route from mco-iah at 350, an FAA jumpseat rider, noticed the crew emergency oxygen bottle read '0'. In checking I noticed the inspector had left his emergency oxygen switch 'on'. I checked fuel remaining, determined WX at our destination as we descended to 10000' and landed at iah. Supplemental information from acn 99363. Discovered the jumpseat O2 on emergency. FAA inspector was on the jumpseat. Started descent to 10000'. Asked FAA to turn on O2 during taxi out at mco. Suggest better supervision of jumpseat.
Original NASA ASRS Text
Title: ACI NOTED COCKPIT O2 PRESSURE ZERO DURING CRUISE AT FL350. PIC, THEN NOTICED THE ACI HAD FAILED TO TURN OFF THE EMERGENCY SWITCH AT THE OBSERVERS STATION. ACFT DESCENDED TO 10000' AND CONTINUED TO DESTINATION.
Narrative: WHILE FLT WAS ENRTE FROM MCO-IAH AT 350, AN FAA JUMPSEAT RIDER, NOTICED THE CREW EMER OXYGEN BOTTLE READ '0'. IN CHKING I NOTICED THE INSPECTOR HAD LEFT HIS EMER OXYGEN SWITCH 'ON'. I CHKED FUEL REMAINING, DETERMINED WX AT OUR DEST AS WE DSNDED TO 10000' AND LANDED AT IAH. SUPPLEMENTAL INFO FROM ACN 99363. DISCOVERED THE JUMPSEAT O2 ON EMER. FAA INSPECTOR WAS ON THE JUMPSEAT. STARTED DSCNT TO 10000'. ASKED FAA TO TURN ON O2 DURING TAXI OUT AT MCO. SUGGEST BETTER SUPERVISION OF JUMPSEAT.
Data retrieved from NASA's ASRS site as of August 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.