# SDR COMA0670139

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2006
- Submitted: May 15, 2006
- Operation: Air carrier
- Aircraft: [N658CA](https://openairdocs.org/aircraft/N658CA), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10148
- Aircraft time: 5,558 hours, 4,124 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Obstructed
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: C, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0670139

## Discrepancy

FLIGHT 5010 - A/C LOST PRESSURIZATION AT 38,000 FT.  PERFORMED EMERGENCY DESCENT CABIN ALT CAUTION AND WARNING ILLUMINATED.  FOUND INSULATION STUCK IN SAFETY VALVE.  REMOVED INSULATION FROM VALVE.

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