# SDR GUU2008F00034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2008
- Submitted: August 15, 2008
- Operation: Air carrier
- Aircraft: N81533
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE137
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Odor
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GUU2008F00034

## Discrepancy

FLIGHT 9128 VPS/TPA.  DURING DESCENT ACM BLOWS BURNING ODOR OUT OF FLOOR WHEN HEAT IS DECREASED IN MANUAL MODE.  RAN ENGS AND PERFORMED OPERATIONAL CHECK OF ACM SYSTEM IN MANUAL AND AUTO MODES.  NO ODOR NOTED.  (S)

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