# SDR ASAA0752189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2007
- Submitted: November 1, 2007
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 478 hours, 159 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Control Module
- Part number: 71231997302
- Condition: Broken
- Location: Cabin Pressure
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0752189

## Discrepancy

AUTO PRESSURE CONTROL FLT ALTITUDE DOES NOT MOVE IN 500FT INCREMENTS.  REPLACED CABIN PRESSURE CONTROL MODULE.

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