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B757 maintenance technician reported that an incorrect printed circuit card was installed on an engine fire detection system.
| Attributes | |
| ACN | 1412144 |
| Time | |
| Date | 201612 |
| Local Time Of Day | 0601-1200 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Powerplant Fire/Overheat Warning |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy |
Narrative:
While troubleshooting a number 1 engine fire detection system I installed a printed circuit card that I have now determined to not be the correct part number applicable to the equipment code position. While researching the part number prior to installation I was confused by the effectivity. While processing the part for return; I found the correct part number on the printed circuit card that I had removed. Upon research I realized that I had installed a part without proper effectivity.
Original NASA ASRS Text
Title: B757 Maintenance Technician reported that an incorrect printed circuit card was installed on an engine fire detection system.
Narrative: While troubleshooting a number 1 engine fire detection system I installed a printed circuit card that I have now determined to not be the correct part number applicable to the equipment code position. While researching the part number prior to installation I was confused by the effectivity. While processing the part for return; I found the correct part number on the printed circuit card that I had removed. Upon research I realized that I had installed a part without proper effectivity.
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.