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B737-700 was released for service from a heavy check. On first flight; a leading edge access panel departed the aircraft.
| Attributes | |
| ACN | 656734 |
| Time | |
| Date | 200505 |
| 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 | B737-700 |
| Operating Under FAR Part | Part 121 |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : inspector |
| Qualification | technician : inspection authority |
| ASRS Report | 656734 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| ASRS Report | 656987 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | performance deficiency : inspection performance deficiency : installation |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Aircraft X was in 'C' check in may/05. At approximately XA00 the l-hand wing was paneled up. After re-paneling; I checked to see that all panels were properly installed. Found all ok. The first flight of the day was to ZZZ1. On walkaround; the flight crew found panel 521 kb missing on the l-hand wing leading edge. A panel was robbed off an aircraft in ZZZ1 and 2 mechanics took the panel to ZZZ2 and installed it. Upon learning that the panel was missing; a check was made of the ZZZ2 hangar and work stands to locate the missing panel. No panel was ever found. All of the individuals involved in signing off the installation of the panel remember the panel being installed on the aircraft.
Original NASA ASRS Text
Title: B737-700 WAS RELEASED FOR SVC FROM A HVY CHK. ON FIRST FLT; A LEADING EDGE ACCESS PANEL DEPARTED THE ACFT.
Narrative: ACFT X WAS IN 'C' CHK IN MAY/05. AT APPROX XA00 THE L-HAND WING WAS PANELED UP. AFTER RE-PANELING; I CHKED TO SEE THAT ALL PANELS WERE PROPERLY INSTALLED. FOUND ALL OK. THE FIRST FLT OF THE DAY WAS TO ZZZ1. ON WALKAROUND; THE FLT CREW FOUND PANEL 521 KB MISSING ON THE L-HAND WING LEADING EDGE. A PANEL WAS ROBBED OFF AN ACFT IN ZZZ1 AND 2 MECHS TOOK THE PANEL TO ZZZ2 AND INSTALLED IT. UPON LEARNING THAT THE PANEL WAS MISSING; A CHK WAS MADE OF THE ZZZ2 HANGAR AND WORK STANDS TO LOCATE THE MISSING PANEL. NO PANEL WAS EVER FOUND. ALL OF THE INDIVIDUALS INVOLVED IN SIGNING OFF THE INSTALLATION OF THE PANEL REMEMBER THE PANEL BEING INSTALLED ON THE 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.