# SDR SWAA2012030201845

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 29, 2012
- Submitted: March 2, 2012
- Operation: Air carrier
- Aircraft: [N634SW](https://openairdocs.org/aircraft/N634SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27937
- Aircraft time: 50,479 hours, 40,809 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6454052
- Part serial: 93398
- Condition: Faulty
- Location: Ac Bay
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2012030201845

## Discrepancy

DECLARED EMERGENCY - ON DESCENT APPROCHING FL 200 FLIGHT ATTENDANT REPORTS HAZY SMOKE ACRID "BURNING PLASTIC" SMELL.  RECIRC FAN TURNED OFF.  REMOVED AND REPLACED RECIRC FAN 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.