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A B767-300 was dispatched in non compliance with a passenger first aid oxygen bottle with zero pressure deferred in conflict with the MEL.
| Attributes | |
| ACN | 596109 |
| Time | |
| Date | 200310 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| 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 | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Experience | maintenance avionics : 23 maintenance lead technician : 5 maintenance technician : 23 |
| ASRS Report | 596109 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : non compliance with mel non adherence : far non adherence : published procedure |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : manuals contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : logbook entry performance deficiency : repair |
| Supplementary | |
| Problem Areas | Environmental Factor Maintenance Human Performance Chart Or Publication Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Deferred passenger oxygen bottle due to gauge reading zero. Found service valve left open. MEL has conflicting instructions. Left bottle on aircraft with taped over gauge and mask removed. Found out bottle should have been removed from aircraft at maintenance station. Working gates X, aircraft was at gate Y. Also had problems at my assigned gates. Rushed understanding of MEL restrs due to conflicting priorities.
Original NASA ASRS Text
Title: A B767-300 WAS DISPATCHED IN NON COMPLIANCE WITH A PAX FIRST AID OXYGEN BOTTLE WITH ZERO PRESSURE DEFERRED IN CONFLICT WITH THE MEL.
Narrative: DEFERRED PAX OXYGEN BOTTLE DUE TO GAUGE READING ZERO. FOUND SVC VALVE LEFT OPEN. MEL HAS CONFLICTING INSTRUCTIONS. LEFT BOTTLE ON ACFT WITH TAPED OVER GAUGE AND MASK REMOVED. FOUND OUT BOTTLE SHOULD HAVE BEEN REMOVED FROM ACFT AT MAINT STATION. WORKING GATES X, ACFT WAS AT GATE Y. ALSO HAD PROBS AT MY ASSIGNED GATES. RUSHED UNDERSTANDING OF MEL RESTRS DUE TO CONFLICTING PRIORITIES.
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.