# SDR CALA2023052901694

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2023
- Submitted: May 29, 2023
- Operation: Air carrier
- Aircraft: [N224UA](https://openairdocs.org/aircraft/N224UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30225
- Aircraft time: 80,743 hours, 9,423 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Electrical Sys
- Part number: NA
- Condition: Failed
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023052901694

## Discrepancy

ELEC BACKUP SYS EICAS ADVISORY BACKUP ELECTRICAL SYSTEM FAILURE. FOUND MAINT MSG 24-45000 NO PFCS INTERFACE STATUS MESSAGE PLACED ON MEL 2425A. DISPLAYED. FIM TASK 24-25 TASK 802 PERFORMED AND ENG GROUND RUN PERFORMED BY FLIGHT CREW MSG CLEARED

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