# SDR SWAA990052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N383SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 26589
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Pack
- Condition: Smoking
- Location: Cabin
- Stage of operation: CL
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA990052

## Discrepancy

AIR RETURN DUE TO SMOKE SMELL IN CABIN AND AFT LAV SMOKE DETECTOR SOUNDING.  INSPECTED A/C FOR SOURCE OF SMELL.  DETERMINED THAT OILY SMELL WAS COMING FROM THE LT AC PACK.  DEFERRED PER MEL 21-1.  INSPECTED AFT LAV AREA AND NO EVIDENCE FOUND.  DISCONNECTED DETECTOR AND DEFERRED PER MEL 26-16.

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