# SDR UIEA2011091000492

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2011
- Submitted: September 12, 2011
- Operation: Air carrier
- Aircraft: [N322SG](https://openairdocs.org/aircraft/N322SG), registered now
- Make and model: Boeing 747481
- Aircraft serial: 30322
- Aircraft time: 32,384 hours, 4,879 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Unserviceable
- 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/UIEA2011091000492

## Discrepancy

RECIRCULATION FAN LWR-RT STATUS MESSAGE COMBINED WITH FUMES THROUGHOUT ENTIRE AIRPLANE. PULLED RECIRCULATION FAN CB  FOUND RT RECIRCULATION FAN  UNSERVICEABLE.

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