# SDR MALA060030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2006
- Submitted: January 30, 2006
- Operation: Air carrier
- Aircraft: N450XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B450
- Aircraft time: 16,600 hours, 18,284 cycles
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Circuit Breaker
- Condition: Tripped
- 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/MALA060030

## Discrepancy

RIGHT HAND ESSENTIAL BUSS C/B POPPED IN FLIGHT.  AIR RETURN TO MSP.  INSPECTED BOLT SELECTOR SWITCH AND CBS9.  NO DEFECTS FOUND.  RESET CB UNABLE TO DUPLICATED PROBLEM.

---
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.