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Technician reported installing wrong effectivity part during MEL procedures for inoperative number 1 VHF comm.
| Attributes | |
| ACN | 1703346 |
| Time | |
| Date | 201911 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | VHF |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural MEL Deviation - Procedural Published Material / Policy |
Narrative:
Aircraft X deferred the number 3 comm inoperative for dispatch purposes. Number 1 comm was inoperative could not defer the number 1 so swapped out number 1 with number 3 position transceivers. So number 1 operational for dispatch. Found out day 7 that part number's are not interchangeable. But when I referenced the ipc 23-xx-xx-X item number XXXX it seemed to be. Ipc can be very ambiguous. Not definitive to say the least. I was also not notified of this maintenance discrepancy of the exact nature of the discrepancy. I was notified on day 0; but the maintenance supervisor would not tell me the exact reason. I ask on day 1 and then on day 2 with no response.
Original NASA ASRS Text
Title: Technician reported installing wrong effectivity part during MEL procedures for inoperative Number 1 VHF Comm.
Narrative: Aircraft X deferred the Number 3 Comm inoperative for dispatch purposes. Number 1 Comm was inoperative could not defer the Number 1 so swapped out Number 1 with Number 3 position transceivers. So Number 1 operational for Dispatch. Found out Day 7 that part Number's are not interchangeable. But when I referenced the IPC 23-XX-XX-X item Number XXXX it seemed to be. IPC can be very ambiguous. Not definitive to say the least. I was also not notified of this Maintenance discrepancy of the exact nature of the discrepancy. I was notified on Day 0; but the Maintenance Supervisor would not tell me the exact reason. I ask on Day 1 and then on Day 2 with no response.
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.