# SDR COMA0760624

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2007
- Submitted: November 8, 2007
- Operation: Air carrier
- Aircraft: N920CA
- Make and model: Cndair CL6002B19
- Aircraft serial: 7022
- Aircraft time: 33,794 hours, 31,383 cycles
- System (JASC): [2110 · Cabin Compressor System](https://openairdocs.org/jasc/2110)
- Part: Check Valve
- Part number: 350023000
- Part serial: 787AB
- Condition: Broken
- Location: Ram Air
- Part time: 19,905 hours, 16,952 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0760624

## Discrepancy

FLIGHT 5479 - CABIN SMOKE OCCURRED AFTER TRANSFERRING BLEED TO APU ON GROUND.  TAXIED TO GATE WITHOUT INCIDENT.  REPLACED RIGHT RAM AIR CHECK VALVE.  NO FURTHER DEFECTS.

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