# SDR COMA2010113050248

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2010
- Submitted: December 1, 2010
- Operation: Air carrier
- Aircraft: [N691CA](https://openairdocs.org/aircraft/N691CA), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15136
- Aircraft time: 7,900 hours, 4,915 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Safety Valve
- Part number: GG670980051
- Part serial: 00976
- Condition: Failed
- Location: Cabin Pressure
- Part time: 7,900 hours, 4,915 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA2010113050248

## Discrepancy

AT FL380 A/C PRESSURIZATION BEGAN TO CLIMB AT 1500 TO 2000 FT PER MIN.  PERFORMED QRH FOR EMERGENCY DESCENT.  RECEIVED CABIN ALT WARNING MSG.  EMERGENCY DECLARED, A/C LANDED SAFELY IN SDF.  REMOVED AND REPLACED LEFT SAFETY VALVE.

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