# SDR DXTA200500611

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2005
- Submitted: March 3, 2005
- Operation: Air carrier
- Aircraft: [N920QS](https://openairdocs.org/aircraft/N920QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500120
- Aircraft time: 4,576 hours, 2,823 cycles
- Engine: Allsn AE3007C
- Engine time: 4,384 hours, 2,736 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Isolation Valve
- Condition: Open
- Location: A/C Pack
- Stage of operation: TX
- 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/DXTA200500611

## Discrepancy

AFTER STARTING THE LEFT ENGINE, ON FIRST START OF THE DAY, A STRONG ODOR OF RAW FUEL COMES INTO THE COCKPIT.  PACK ISOLATION VALVE WAS OPEN.  AIR COMING FROM WEMAC SMELLED CLEAN.

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