# SDR COMA0670121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2006
- Submitted: March 27, 2006
- Operation: Air carrier
- Aircraft: [N669CA](https://openairdocs.org/aircraft/N669CA), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10176
- Aircraft time: 3,942 hours, 3,012 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: N6672627
- Part serial: 00477
- Condition: Faulty
- Location: Cabin Pressure
- Part time: 3,942 hours, 3,012 cycles
- Stage of operation: CR
- 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/COMA0670121

## Discrepancy

FLIGHT 5410 - WHILE CLIMBING THROUGH 31,000 FLT RECEIVED A CABIN ALTITUDE CAUTION MESSAGE, CREW DECLARED AN EMERGENCY AND RETURNED TO CVG.  REPLACED THE CABIN PRESSURE CONTROLLER NR 1.

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