# SDR HNAA0200010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2002
- Submitted: February 5, 2002
- Operation: Air carrier
- Aircraft: N326EN
- Make and model: Dhav DHC8311
- Aircraft serial: 234
- Aircraft time: 17,477 hours, 15,914 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Computer
- Part number: 21178041
- Part serial: 60502
- Condition: Faulty
- Location: Cabin Pressure
- Part time: 17,477 hours, 15,914 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: I, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA0200010

## Discrepancy

AFTER TAKEOFF, WITH PRESSURIZATION CONTROL ON AUTO, AIRCRAFT STARTED TO PRESSURIZE OUT OF CONTROL, SELECTED TO DUMP POSITION.  REPLACED PRESSURIZATION COMPUTER.

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