# SDR SWAA971035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N102SW](https://openairdocs.org/aircraft/N102SW), registered now
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 23108
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Acm
- Part number: 20405011
- Condition: Malfunctioned
- Location: Lt Pack
- Stage of operation: DE
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA971035

## Discrepancy

DURING DESCENT, A SMOKE ODOR APPEARED TO BE COMING FROM LEFT PACK BLEED.  STOPPED WHEN LEFT BLEED PACK TURNED OFF.  LANDED WITHOUT INCIDENT.  REPLACED LT AIR CYCLE MACHINE PER BOEING M/M.

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