# SDR UALA2012110806433

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2012
- Submitted: November 9, 2012
- Operation: Air carrier
- Aircraft: [N772UA](https://openairdocs.org/aircraft/N772UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26930
- Aircraft time: 69,225 hours, 12,428 cycles
- Engine: Pwa PW4077
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Relay
- Condition: Failed
- Location: Electrical Sys
- Stage of operation: NR
- 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/UALA2012110806433

## Discrepancy

ELECTRIC STANDBY SYSTEM STATUS MSG DISPLAYED.  FOUND MSG 24-13037 T-S & REPLACED DC TIE RELAY K24013 IN P210 PANEL PER MM AND PERFORMED DC-STBY PWR SYSTEM OP TEST PER TASK 24-30-00-700-801.  DC- STBY PWR TEST PASSED.  FOUND NO FAULTS.

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