# SDR 2008UALA02167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2008
- Submitted: April 16, 2008
- Operation: Air carrier
- Aircraft: [N307UA](https://openairdocs.org/aircraft/N307UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23668
- Aircraft time: 61,617 hours, 35,802 cycles
- Engine: Ge CFM56*
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6454051
- Part serial: 1091146
- Condition: Failed
- Location: Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA02167

## Discrepancy

SMOKE COCKPIT CABIN, ELECTRICAL BURNING ODOR, RIGHT PACK TRIP OFF LIGHT ALL DURING ENGINE STARTS. FOUND CABIN RE-CIRCULATION FAN FAILED.  REPLACED CABIN RE-CIRCULATION FAN. BEARINGS DRY AND UNIT DIRTY. CLEANED UNIT AND REPLACED BEARINGS.

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