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B737-400 mechanic was accused of installing a crew oxygen bottle that was safetied in the closed position.
| Attributes | |
| ACN | 623952 |
| Time | |
| Date | 200406 |
| Day | Tue |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 623952 |
| Person 2 | |
| Affiliation | company : air carrier |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : published procedure non adherence : company policies non adherence : far |
| Independent Detector | aircraft equipment other aircraft equipment : oxygen pressure flow indicators other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : testing performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
I have just received notice of a crew oxygen bottle that I supposedly svced, that was safety wired in the closed position. Log page indicates that I svced the crew oxygen for aircraft on jun/tue/04. Log page indicated that on jul/sun/04 (40 days later) the flight crew finally noticed that they didn't have any oxygen for emergency purposes. I will tell you that they were the ones who svced crew oxygen and did not write it up in the log page as well as doing the job correctly. I would even go so far as to say that the crew oxygen bottle has probably been svced at least a half a dozen times since I last svced it and also went unrecorded in the logbook.
Original NASA ASRS Text
Title: B737-400 MECH WAS ACCUSED OF INSTALLING A CREW OXYGEN BOTTLE THAT WAS SAFETIED IN THE CLOSED POS.
Narrative: I HAVE JUST RECEIVED NOTICE OF A CREW OXYGEN BOTTLE THAT I SUPPOSEDLY SVCED, THAT WAS SAFETY WIRED IN THE CLOSED POS. LOG PAGE INDICATES THAT I SVCED THE CREW OXYGEN FOR ACFT ON JUN/TUE/04. LOG PAGE INDICATED THAT ON JUL/SUN/04 (40 DAYS LATER) THE FLT CREW FINALLY NOTICED THAT THEY DIDN'T HAVE ANY OXYGEN FOR EMER PURPOSES. I WILL TELL YOU THAT THEY WERE THE ONES WHO SVCED CREW OXYGEN AND DID NOT WRITE IT UP IN THE LOG PAGE AS WELL AS DOING THE JOB CORRECTLY. I WOULD EVEN GO SO FAR AS TO SAY THAT THE CREW OXYGEN BOTTLE HAS PROBABLY BEEN SVCED AT LEAST A HALF A DOZEN TIMES SINCE I LAST SVCED IT AND ALSO WENT UNRECORDED IN THE LOGBOOK.
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.