# SDR 02FDEA00834

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2002
- Submitted: November 14, 2002
- Operation: Air carrier
- Aircraft: [N619FE](https://openairdocs.org/aircraft/N619FE), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48770
- Aircraft time: 21,936 hours, 5,018 cycles
- Engine: Ge CF680
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Rccb
- Condition: Faulty
- Location: Electrical Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/02FDEA00834

## Discrepancy

JUST PRIOR TO TOP OF CLIMB, RIGHT EMERGENCY AC BUS OFF.  CONSULTED WITH MOCC, RETURNED TO AIRPORT.  EPCU FAULT LOGGED AND FOUND B1-138 RCCB IN CAC SHOWED OPEN INDICATOR BUT B1-139 CONT CB WAS CLOSED.  REMOVED AND REPLACED B1-138 RCCB IAW AMM, ALSO PRECAUTION REMOVED AND REPLACED B1-139 CB.  EPCU RTS TEST PASSED IAW AMM.

---
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.
