# SDR A6WA200840545

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2008
- Submitted: August 7, 2008
- Operation: Air carrier
- Aircraft: N407AW
- Make and model: Cndair CL6002B19
- Aircraft serial: 7424
- Aircraft time: 19,028 hours, 16,822 cycles
- 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: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA200840545

## Discrepancy

ACFT WOULD NOT PRESSURIZE AFTER TAKEOFF, SWITCHED CONTROLLERS, TRIED MANUAL NO ABNORMAL INDICATION.  DURING TROUBLESHOOTING OF ACFT PRESSURIZATION SYS FOUND CABIN PRESSURE TUBE ASSY B NOT CROSS THREADED.  R&R CABIN PRESS TUBE ASSY IAW MM 21-31-00 REF W/C 9 FOR LEAK CHECK.

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