# SDR UALA2012042002387

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2012
- Submitted: May 24, 2012
- Operation: Air carrier
- Aircraft: [N676UA](https://openairdocs.org/aircraft/N676UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30028
- Aircraft time: 40,938 hours, 10,206 cycles
- Engine: Pwa PW4052
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Relay
- Condition: Failed
- Location: Buss
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012042002387

## Discrepancy

RTO AUTOBRAKES TRIPPED OFF DURING NR 2 ENG START PWR TRANSFER.  REPLACED LEFT AND RIGHT UTILITY BUSS RELAYS, RAN BOTH ENGINE & OPS CHECK GOOD WITH IMMEDIATE RESPONSE.  RETURN TO SERVICE.

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