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A B737-300 was returned to service after a 'B' service check with a #2 engine pylon not secured. Discovered and secured prior to flight.
| Attributes | |
| ACN | 589125 |
| Time | |
| Date | 200307 |
| Day | Wed |
| 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 | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 589125 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : inspector |
| Qualification | technician : inspection authority technician : airframe technician : powerplant |
| ASRS Report | 589126 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : work cards contributing factor : lighting contributing factor : schedule pressure performance deficiency : inspection performance deficiency : installation performance deficiency : non compliance with legal requirements performance deficiency : scheduled maintenance |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft Chart Or Publication Company |
| Primary Problem | Maintenance Human Performance |
Narrative:
On the night of jan/tue/03, I was working late night shift. I was assigned to work the #2 engine package, which includes opening and closing of #2 engine pylon panels. I closed the upper pylon panels which included the panel that caused the event. To the best of my knowledge when I closed the panel it was secure, all indicators were in the locked position. I am not aware of, nor did I see, anyone re-open the panel, but I wasn't really paying attention to that area. I feel it is likely that someone opened the panel after I had closed and secured the panel.
Original NASA ASRS Text
Title: A B737-300 WAS RETURNED TO SVC AFTER A 'B' SVC CHK WITH A #2 ENG PYLON NOT SECURED. DISCOVERED AND SECURED PRIOR TO FLT.
Narrative: ON THE NIGHT OF JAN/TUE/03, I WAS WORKING LATE NIGHT SHIFT. I WAS ASSIGNED TO WORK THE #2 ENG PACKAGE, WHICH INCLUDES OPENING AND CLOSING OF #2 ENG PYLON PANELS. I CLOSED THE UPPER PYLON PANELS WHICH INCLUDED THE PANEL THAT CAUSED THE EVENT. TO THE BEST OF MY KNOWLEDGE WHEN I CLOSED THE PANEL IT WAS SECURE, ALL INDICATORS WERE IN THE LOCKED POS. I AM NOT AWARE OF, NOR DID I SEE, ANYONE RE-OPEN THE PANEL, BUT I WASN'T REALLY PAYING ATTN TO THAT AREA. I FEEL IT IS LIKELY THAT SOMEONE OPENED THE PANEL AFTER I HAD CLOSED AND SECURED THE PANEL.
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.