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A B737-300 had a passenger service unit modification accomplished. Later was found to have 1 passenger service unit not modified.
| Attributes | |
| ACN | 675669 |
| Time | |
| Date | 200509 |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 675669 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : far non adherence : published procedure |
| Independent Detector | other other : 4 |
| Resolutory Action | none taken : detected after the fact |
| Factors | |
| Maintenance | contributing factor : schedule pressure contributing factor : engineering procedure contributing factor : work cards performance deficiency : non compliance with legal requirements performance deficiency : scheduled maintenance performance deficiency : logbook entry performance deficiency : installation performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Chart Or Publication |
| Situations | |
| Publication | Engineering Change Order |
Narrative:
I was the technician that signed off aircraft change order #X. Several technicians were working on this step; but only 1 block was available to sign off. I was told that during an audit that 1 passenger service unit that was not modified was discovered. I cannot recall every passenger service unit that I worked on this aircraft.
Original NASA ASRS Text
Title: A B737-300 HAD A PAX SVC UNIT MODIFICATION ACCOMPLISHED. LATER WAS FOUND TO HAVE 1 PAX SVC UNIT NOT MODIFIED.
Narrative: I WAS THE TECHNICIAN THAT SIGNED OFF ACFT CHANGE ORDER #X. SEVERAL TECHNICIANS WERE WORKING ON THIS STEP; BUT ONLY 1 BLOCK WAS AVAILABLE TO SIGN OFF. I WAS TOLD THAT DURING AN AUDIT THAT 1 PAX SVC UNIT THAT WAS NOT MODIFIED WAS DISCOVERED. I CANNOT RECALL EVERY PAX SVC UNIT THAT I WORKED ON THIS ACFT.
Data retrieved from NASA's ASRS site as of January 2009 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.