# SDR ASAA0752141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2007
- Submitted: October 23, 2007
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 2,429 hours, 763 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Module
- Part number: 71231997302AB
- Condition: Unknown
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0752141

## Discrepancy

THE "AUTO FAIL" & "ALTN" LIGHTS ILLUMINATED.  COULD NOT DUPLICATE.  REPLACED CABIN PRESSURE CONTROL MODULE AS A PRECAUTION.  ALL BITE TESTS PASS.

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