# SDR 0600335810

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2006
- Submitted: February 3, 2006
- Operation: Air carrier
- Aircraft: [N590NW](https://openairdocs.org/aircraft/N590NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32990
- Aircraft time: 9,793 hours, 3,292 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 731376
- Part serial: 200
- Condition: Failed
- Location: Nr 1 Cooling
- Part time: 53,199 hours, 21,848 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0600335810

## Discrepancy

AT 95 MILES FROM MSP RECEIVED -EQUIP OVERHEAT LIGHT-, ASSOCIATED EICAS MESSAGE AND SMELLED STRONG ELECTRICAL SMOKE. DON OXYGEN MASKS, DECLARED AN EMERGENCY AND LANDING WAS UNEVENTFUL.  FOUND NR 1 COOLING FAN CIRCUIT BREAKER TRIPPED AND FAN WAS REPLACED.  CHECK GOOD AND AIRCRAFT RETURNED TO SERVICE.

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