# SDR UALA2012021400878

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2012
- Submitted: February 16, 2012
- Operation: Air carrier
- Aircraft: [N671UA](https://openairdocs.org/aircraft/N671UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30026
- Aircraft time: 45,002 hours, 11,698 cycles
- Engine: Pwa PW4056
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Burned
- Location: Recirculation
- Stage of operation: NR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012021400878

## Discrepancy

ACRID ODOR IN THE COCKPIT AND CABIN.  RAN QRH AND ODOR DISSIPATED.  FOUND LEFT RECIRCULATION FAN CIRCUIT BREAKER OPEN, VERIFIED LEFT RECIRCULATION FAN SMELLED BURNED.  ACTIVATED ALL DEPOWERED SYSTEMS EXCEPT LEFT RECIRCULATION FAN AND THE ODOR DID NOT RETURN.  RAN BOTH PACKS AND ALL GALLEY SYSTEMS, NO ODOR.  REPLACED RT RECIRCULATION FAN.  OPS CHECKED GOOD PER MM.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.