# SDR DXTA2009050403631

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2009
- Submitted: May 4, 2009
- Operation: Air carrier
- Aircraft: [N933QS](https://openairdocs.org/aircraft/N933QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500133
- Aircraft time: 8,012 hours, 4,888 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Part number: 73838433
- Part serial: 2006090156A
- Condition: Odor
- Part time: 500 hours, 306 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2009050403631

## Discrepancy

SMOKE IN COCKPIT. WHEN PAC'S TURNED ON A BURNED MILDEW ODOR AND HAZE STARTED TO BUILD UP IN COCKPIT. PAC'S SWITCHED OFF AND ODOR / HAZE DISSIPATED.  FOUND COCKPIT ACM SIEZED.  REMOVED AND REPLACED COCKPIT ACM WITH SERVICEABLE UNIT.

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