# SDR SWAA051043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2005
- Submitted: April 13, 2005
- Operation: Air carrier
- Aircraft: [N325SW](https://openairdocs.org/aircraft/N325SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23689
- Aircraft time: 59,023 hours, 55,437 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 20405011
- Part serial: 6841
- Condition: Malfunctioned
- Location: A/C Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA051043

## Discrepancy

AIR TURNBACK / DECLARED EMERGENCY.  BURNING SMELL IN CABIN & COCKPIT.  REMOVED AND REPLACED RT AIR CYCLE MACHINE PER MM.

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