# SDR A6WA201140044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2011
- Submitted: February 4, 2011
- Operation: Air carrier
- Aircraft: [N438AW](https://openairdocs.org/aircraft/N438AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7748
- Aircraft time: 18,844 hours, 18,809 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Relay
- Condition: Malfunctioned
- Location: Cabin Altitude
- 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/A6WA201140044

## Discrepancy

WHILE HOLDING AT 16,000 FT RECEIVED CABIN ALTITUDE MESSAGE IMMEDIATELY FOLLOWED BY CABIN ALTITUDE WARNING MESSAGE COMPLIED WITH IAL AND QRH.   R & R RELAYS K1GA & K2GA IAW ESPM REF W/C NR 2 FOR OPS CK OF JB11.

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