# SDR DXTA200300003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2003
- Submitted: March 13, 2003
- Operation: Air carrier
- Aircraft: [N807QS](https://openairdocs.org/aircraft/N807QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600617
- Aircraft time: 301 hours, 290 cycles
- Engine: Pwa PW535A
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Circuit Board
- Part number: NZ042
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200300003

## Discrepancy

DURING DESCENT FROM 35,000, THE EMERGENCY PRESSURIZATION CAME ON AT ABOUT 18,000 AT 10 DEG AND STAYED ON FOR 3-4 SECONDS.

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