# SDR VNAA0401013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2004
- Submitted: February 4, 2004
- Operation: Air carrier
- Aircraft: [N209PS](https://openairdocs.org/aircraft/N209PS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7874
- Aircraft time: 316 hours, 295 cycles
- Engine: Ge CF343B1
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA0401013

## Discrepancy

DURING CLIMB, CREW COULD NOT PRESSURIZE AIRCRAFT.  AIRCRAFT RETURNED TO YOW.  MAINTENANCE DEFERRED BOTH AUTO CABIN PRESSURE CONTROLLERS 21-31-1 CODE C.

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