# SDR UALA2012011100234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2012
- Submitted: January 26, 2012
- Operation: Air carrier
- Aircraft: [N779UA](https://openairdocs.org/aircraft/N779UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26941
- Aircraft time: 63,546 hours, 11,352 cycles
- Engine: Pwa PW4077
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 4100945A
- Part serial: 228
- Condition: Failed
- Location: Cabin Air
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012011100234

## Discrepancy

FOUND CIRCUIT BREAKER D2 OUT AT PANEL P110 WOULD NOT RESET.  REPLACED FWD UPPER RECIRC FAN.  REPLACED GASPER FAN AT COACH CEILING PER AMM, OPS CHECKED NORMAL.

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