# SDR REXA201100869

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2011
- Submitted: November 30, 2011
- Operation: Air carrier
- Aircraft: [N819AY](https://openairdocs.org/aircraft/N819AY), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 8019
- Aircraft time: 15,947 hours, 13,417 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Valve
- Condition: Defective
- Location: Ac Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/REXA201100869

## Discrepancy

ON CLIMB WHEN REACHED 11,000 FT RECEIVED A CABIN ALT CAUTION AND THEN RECEIVED CABIN ALT WARN AROUND 10,500 ON THE DESCENT.  EMERGENCY DECLARED.  COMPLIED WITH MEL 21-24-61.  OPC GOOD.  OK FOR SERVICE.  REMOVED AND REPLACED O/B COOL VALVE IAW AMM 21-24-34.  OP/C GOOD.  PLACARD REMOVED.  VERIFIED PART EFFECTIVITY.  CLEARS DM 54966.

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