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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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| Attributes | |
| ACN | 1388976 |
| Time | |
| Date | 201609 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Elevator Tab |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Person 2 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
I was working a tab freeplay/inspection at the hangar with another technician. Upon the inspection portion; the inspector found that the hardware was improperly installed on three of the bolts for the tabs; 1 on lh side 2 on rh side. The inspector wrote up the improperly installed hardware. We corrected the improperly installed hardware and signed the defects off. Upon completion; one rag was left in the rh tab. A technician working on the aircraft in the hangar on another date found the rag in the tab. I was not here the night it happened but I was told that he just reported the incident to his lead/supervisor.the inspector had suggested/insisted to place a rag in the tab to prevent any hardware such as nuts or washers from falling into the tab. If any hardware fell in; he said we would have to pull the tab off to fish it back out. I was hesitant about putting a rag in the tab; I didn't think it was exactly necessary because I felt I would be able to grab the hardware if it fell and I wouldn't drop any to begin with; but since he insisted; I went ahead with it; since I had never done this job before. Upon completion of the job; the rag was forgotten in the tab when it was bolted all back up. Don't use a rag as a placeholder to catch dropped items. Keep count of the rags you bring with you do to the job; do a count when you are finished with your job.
Original NASA ASRS Text
Title: Maintenance Technicians reported that while working on a B737-800 elevator tab they neglected to remove rags placed in the tab to prevent any hardware from falling into the tab.
Narrative: I was working a tab freeplay/inspection at the hangar with another technician. Upon the inspection portion; the inspector found that the hardware was improperly installed on three of the bolts for the tabs; 1 on LH side 2 on RH side. The inspector wrote up the improperly installed hardware. We corrected the improperly installed hardware and signed the defects off. Upon completion; one rag was left in the RH tab. A technician working on the aircraft in the hangar on another date found the rag in the tab. I was not here the night it happened but I was told that he just reported the incident to his lead/supervisor.The inspector had suggested/insisted to place a rag in the tab to prevent any hardware such as nuts or washers from falling into the tab. If any hardware fell in; he said we would have to pull the tab off to fish it back out. I was hesitant about putting a rag in the tab; I didn't think it was exactly necessary because I felt I would be able to grab the hardware if it fell and I wouldn't drop any to begin with; but since he insisted; I went ahead with it; since I had never done this job before. Upon completion of the job; the rag was forgotten in the tab when it was bolted all back up. Don't use a rag as a placeholder to catch dropped items. Keep count of the rags you bring with you do to the job; do a count when you are finished with your job.
Data retrieved from NASA's ASRS site 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.