# SDR ASAA2015110913714

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2015
- Submitted: November 12, 2015
- Operation: Air carrier
- Aircraft: [N457AS](https://openairdocs.org/aircraft/N457AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36355
- Aircraft time: 6,926 hours, 2,257 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Circuit Breaker
- Part number: 11519681
- Condition: Failed
- Location: Flight Deck
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015110913714

## Discrepancy

RIGHT TRANSFER BUS OFF, LIGHT ILLUMINATED.  RIGHT BUS NOT POWERED.  ACFT GROUNDED. R & R BUS TIE BREAKER 2, C805.  OPS CK GOOD, REF WDM 24-23-21.

---
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.