# SDR UIEA2012071500323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2012
- Submitted: July 16, 2012
- Operation: Air carrier
- Aircraft: [N651GT](https://openairdocs.org/aircraft/N651GT), registered now
- Make and model: Boeing 767231
- Aircraft serial: 22570
- Aircraft time: 80,806 hours, 21,118 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Circuit Breaker
- Part number: 675231125
- Condition: Failed
- Location: Lt Ac Buss
- Stage of operation: CL
- How discovered: O
- Nature of condition: G, H, J
- Precautionary procedure: H, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2012071500323

## Discrepancy

LEFT AC BUSS OFF- COMPLIED WITH QRH AND RETURNED TO DEPARTURE. (R & R RELAY K863) (LEFT TRANSFER BUSS RELAY), AND "A" PHASE CIRCUIT BREAKER UNIT C313, BOTH OPS CHECKED GOOD, ENGINE RUN ALSO OPS CHECKED GOOD. FAULT CLEARED, IAW AMM 24-25-00, AND 24-51-11, 24-22-00).

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
