# SDR ASAA2015072812616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2015
- Submitted: July 30, 2015
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 30,569 hours, 9,165 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Module
- Part number: 71231997303AB
- Part serial: 99017897
- Condition: Failed
- Location: Cabin Pressure
- Part time: 53,673 hours, 20,773 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015072812616

## Discrepancy

CAN'T SET ALTITUDE IN FLT ALTITUDE WINDOW.  ACFT GROUNDED.  REPLACED CABIN PRESSURE CONTROL MODULE IAW MM 21-31-02.  OPS TEST GOOD.  GROUND VERIFICATION SUCCESSFUL.

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