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A B747-200 was dispatched in non compliance with corrosion found on the passenger oxygen manifold. It was left untreated and not deferred.
| Attributes | |
| ACN | 482135 |
| Time | |
| Date | 200008 |
| Day | Tue |
| 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 | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Experience | maintenance technician : 5 |
| ASRS Report | 482135 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | oversight : supervisor |
| Qualification | technician : powerplant technician : airframe |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : published procedure non adherence : far |
| Independent Detector | other other : person 3 |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Factors | |
| Maintenance | contributing factor : manuals contributing factor : engineering procedure contributing factor : schedule pressure performance deficiency : inspection performance deficiency : logbook entry performance deficiency : repair performance deficiency : scheduled maintenance |
| Supplementary | |
| Problem Areas | Aircraft Company Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Corrosion was noted on passenger oxygen line when cleaning off dinol contamination. When I was shown the problem, mgrs, engineering, lead mechanics, and inspection was looking at it. It turned out the corrosion was never documented and the aircraft released for service.
Original NASA ASRS Text
Title: A B747-200 WAS DISPATCHED IN NON COMPLIANCE WITH CORROSION FOUND ON THE PAX OXYGEN MANIFOLD. IT WAS LEFT UNTREATED AND NOT DEFERRED.
Narrative: CORROSION WAS NOTED ON PAX OXYGEN LINE WHEN CLEANING OFF DINOL CONTAMINATION. WHEN I WAS SHOWN THE PROB, MGRS, ENGINEERING, LEAD MECHS, AND INSPECTION WAS LOOKING AT IT. IT TURNED OUT THE CORROSION WAS NEVER DOCUMENTED AND THE ACFT RELEASED FOR SVC.
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.