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A B737-300 was dispatched in non compliance with the digital to analog adapter units swapped but not secured in the electronics shelf.
| Attributes | |
| ACN | 482111 |
| Time | |
| Date | 200008 |
| Day | Tue |
| 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 ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 482111 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure |
| Independent Detector | other other : person 1 |
| 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 : non compliance with legal requirements performance deficiency : repair |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
On air carrier xyz, B737-300 of air carrier, the daa boxes were swapped for troubleshooting purposes and were not swapped back. The boxes may have been secured in place just installed.
Original NASA ASRS Text
Title: A B737-300 WAS DISPATCHED IN NON COMPLIANCE WITH THE DIGITAL TO ANALOG ADAPTER UNITS SWAPPED BUT NOT SECURED IN THE ELECTRONICS SHELF.
Narrative: ON ACR XYZ, B737-300 OF ACR, THE DAA BOXES WERE SWAPPED FOR TROUBLESHOOTING PURPOSES AND WERE NOT SWAPPED BACK. THE BOXES MAY HAVE BEEN SECURED IN PLACE JUST INSTALLED.
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.