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A B737-500 was dispatched in non compliance with #2 engine pylon panels not secured which departed the aircraft in-flight.
| Attributes | |
| ACN | 453998 |
| Time | |
| Date | 199910 |
| Day | Sun |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-500 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : lead technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance lead technician : 2 maintenance technician : 7 |
| ASRS Report | 453998 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : inspector |
| Qualification | technician : powerplant technician : airframe |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : testing performance deficiency : installation performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Aircraft xyz arrived at ZZZ oct/xa/99 around XA00 for overnight maintenance. #2 engine pylon panels were removed for inspection. About XH00 on oct/xa/99 maintenance was completed in pylon area and panels were reinstalled. The panels were installed and secured by XH30. I signed for the installation and called for inspection. Inspection checked the pylon and all the panels for installation and security by XH35 and brought the panels back in the sign off book. On oct/xb/99 the aircraft flew to jackson, ms, and the pilot found panels 5827R, 5828R, and 5829R on #2 pylon missing on his preflight walkaround. The inspection panels were cdl'ed and installed in aircraft after the next flight.
Original NASA ASRS Text
Title: A B737-500 WAS DISPATCHED IN NON COMPLIANCE WITH #2 ENG PYLON PANELS NOT SECURED WHICH DEPARTED THE ACFT INFLT.
Narrative: ACFT XYZ ARRIVED AT ZZZ OCT/XA/99 AROUND XA00 FOR OVERNIGHT MAINT. #2 ENG PYLON PANELS WERE REMOVED FOR INSPECTION. ABOUT XH00 ON OCT/XA/99 MAINT WAS COMPLETED IN PYLON AREA AND PANELS WERE REINSTALLED. THE PANELS WERE INSTALLED AND SECURED BY XH30. I SIGNED FOR THE INSTALLATION AND CALLED FOR INSPECTION. INSPECTION CHKED THE PYLON AND ALL THE PANELS FOR INSTALLATION AND SECURITY BY XH35 AND BROUGHT THE PANELS BACK IN THE SIGN OFF BOOK. ON OCT/XB/99 THE ACFT FLEW TO JACKSON, MS, AND THE PLT FOUND PANELS 5827R, 5828R, AND 5829R ON #2 PYLON MISSING ON HIS PREFLT WALKAROUND. THE INSPECTION PANELS WERE CDL'ED AND INSTALLED IN ACFT AFTER THE NEXT FLT.
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.