# SDR UALA2012072604052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2012
- Submitted: August 10, 2012
- Operation: Air carrier
- Aircraft: [N779UA](https://openairdocs.org/aircraft/N779UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26941
- Aircraft time: 65,880 hours, 11,703 cycles
- Engine: Pwa PW4077
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 8102191
- Part serial: 275
- Condition: Failed
- Location: Recirculation
- Stage of operation: DE
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012072604052

## Discrepancy

APPROX 60 MINUTES PRIOR TO ARRIVAL, FLIGHT ATTENDANT NOTIFIED CAPTAIN OF ELECTRICAL SMOKE ODOR IN CABIN.  SHORTLY AFTER CREW RECEIVED A RECIRC FAN STATUS MESSAGE.  EVIDENCE OF OVERHEATING AT FAN. FAN IMPELLER & SHAFT LOOSE AND WOBBLES. REPLACED FAN, CHECKED OKAY.

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