# SDR CA150407006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2015
- Submitted: August 5, 2015
- Operation: General aviation
- Make and model: Boeing 737*
- Aircraft time: 2,133 hours
- Engine: Cfmint CFM567B27E
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6454052
- Condition: Failed
- Location: Recirculation
- Part time: 3,394 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA150407006

## Discrepancy

(CAN) THE CREW SELECTED THE RECIRCULATING FANS ON AND HEARD A BUZZING SOUND FROM THE MID CABIN AND A FAINT ELECTRICAL BURNING ODOR WAS PRESENT THE CREW FOUND THE RT RECIRCULATING FAN CIRCUIT BREAKER TRIPPED.  MAINTENANCE MELD THE RECIRCULATING FAN, AND REPLACEMENT IS SCHEDULED.

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