# SDR NSVA200600220

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2006
- Submitted: February 15, 2007
- Operation: Air carrier
- Aircraft: N9CJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 224
- Aircraft time: 26,307 hours, 30,713 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Circuit Breaker
- Condition: Tripped
- Location: Dc Buss
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NSVA200600220

## Discrepancy

BOTH EFIS SCREENS BLANK ON THE FO'S SIDE.  PWR'D DOWN ACFT REST THE LT MAIN ESS C/B, PERFORMED OPERATIONAL TEST, OP'S CHECK GOOD IAW AMM 34-12-00.  FOUND MAIN STAR C/B ON RT ELEC-DC BUSSES POPPED REST BREAKER WITH EXTERNAL POWER ON EFIS, SCREENS OPERATE NORMAL AT THIS TIME, OK FOR SERVICE.

---
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.