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A B737-300 was released for service with the fdr not secured in the mounting rack. Right&right'ed during modification work.
| Attributes | |
| ACN | 648887 |
| Time | |
| Date | 200502 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 648887 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : inspector |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : far non adherence : company policies non adherence : published procedure |
| Independent Detector | other other : 3 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : engineering procedure contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : scheduled maintenance performance deficiency : installation performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Environmental Factor Maintenance Human Performance Aircraft Chart Or Publication |
| Primary Problem | Maintenance Human Performance |
Narrative:
I was assisting 2 other mechanics doing the wheelchair aircraft change order and helped secure the upper attach point on the new stowage unit. In order to accomplish the adjusting and securing of the upper attach rod; the fdr was removed momentarily. After completing the installation of the rod; the fdr was re-seated in the rack but not secured. It was the end of our shift and I was told that someone else would finish the job. I was rushing to clean up and punch out on time and completely forgot to document the right&right of the fdr. Whomever finished the job failed to notice that the fdr wasn't secured and the aircraft flew to ZZZ and back before it was secured. I knew that I was supposed to document the moving of the fdr but lost my train of thought during the confusion of the shift change/turnover process.
Original NASA ASRS Text
Title: A B737-300 WAS RELEASED FOR SVC WITH THE FDR NOT SECURED IN THE MOUNTING RACK. R&R'ED DURING MODIFICATION WORK.
Narrative: I WAS ASSISTING 2 OTHER MECHS DOING THE WHEELCHAIR ACFT CHANGE ORDER AND HELPED SECURE THE UPPER ATTACH POINT ON THE NEW STOWAGE UNIT. IN ORDER TO ACCOMPLISH THE ADJUSTING AND SECURING OF THE UPPER ATTACH ROD; THE FDR WAS REMOVED MOMENTARILY. AFTER COMPLETING THE INSTALLATION OF THE ROD; THE FDR WAS RE-SEATED IN THE RACK BUT NOT SECURED. IT WAS THE END OF OUR SHIFT AND I WAS TOLD THAT SOMEONE ELSE WOULD FINISH THE JOB. I WAS RUSHING TO CLEAN UP AND PUNCH OUT ON TIME AND COMPLETELY FORGOT TO DOCUMENT THE R&R OF THE FDR. WHOMEVER FINISHED THE JOB FAILED TO NOTICE THAT THE FDR WASN'T SECURED AND THE ACFT FLEW TO ZZZ AND BACK BEFORE IT WAS SECURED. I KNEW THAT I WAS SUPPOSED TO DOCUMENT THE MOVING OF THE FDR BUT LOST MY TRAIN OF THOUGHT DURING THE CONFUSION OF THE SHIFT CHANGE/TURNOVER PROCESS.
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.