# SDR CALA2015071094074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2015
- Submitted: July 10, 2015
- Operation: Air carrier
- Aircraft: [N771UA](https://openairdocs.org/aircraft/N771UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26932
- Aircraft time: 78,759 hours, 13,796 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Faulty
- Location: Cabin
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015071094074

## Discrepancy

STRONG ELEC ODOR & ASSOCIATED HAZE THROUGHOUT CABIN.  RECIRC FAN SELECTED OFF BY CREW & SMOKE HAZE DISSIPATED.  ACFT DOWNLINKED LOWER RECIRC FAN LT, FAULT MSG 21-24600. BOTH RECIRC FAN SWITCHES WERE SELECTED OFF BY CREW.  CONFIRMED THE LOWER LT RECIRC FAN WAS AT FAULT.  R & R LT LOWER RECIRC FAN IAW AMM 21-25-07.

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