# SDR UIEA2020091862008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2020
- Submitted: September 18, 2020
- Operation: Air carrier
- Aircraft: [N1361A](https://openairdocs.org/aircraft/N1361A), registered now
- Make and model: Boeing 767-31B
- Registry model: [Boeing 767-31B](https://openairdocs.org/model/boeing-767-31b) (OpenAirDocs)
- Aircraft serial: 26265
- Aircraft time: 92,609 hours, 20,391 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020091862008

## Discrepancy

SWITCH TO/FROM EXT POWER CAUSING A DRASTIC POWER TRANSFER AND ERASED FMC FLIGHT PLAN, IAW FIM 24-20 F/T 801 NO FAULTS NOTED.  CYCLED EXT POWER TO APU SEVERAL TIMES.  NO MSG/FAULTS NOTED.  OPS NORMAL AT THIS TIME.

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