# SDR SWIA200210531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2002
- Submitted: January 14, 2002
- Operation: Air carrier
- Aircraft: [N912SW](https://openairdocs.org/aircraft/N912SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7595
- Aircraft time: 55 hours, 55 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200210531

## Discrepancy

DEPARTED LAX, PRESSURIZATION DID NOT WORK.  FOLLOWED SOP.  NO PRESSURIZATION IN ANY MODES OR CONTROLLERS.  RETURNED TO LAX.  INSTALLED SERVICEABLE SECONDARY OUTFLOW VALVE IAW 21-31-00.  OPS CHECK FAILED.  DEFERRED THE PRESSURIZATION SYSTEM.  1/9/02 UPDATE:  FAT MAINTENANCE WAS UNABLE TO DUPLICATE THE SQUAWK.  S/N ON 110-F0399,  S/N OFF 81-F0526.

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