# SDR ASAA2018103026676

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2018
- Submitted: November 1, 2018
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 47,417 hours, 13,973 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Control Module
- Part number: 8143924002
- Part serial: 98103177
- Condition: Failed
- Location: Cockpit
- Part time: 40,394 hours, 17,306 cycles
- Stage of operation: LD
- 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/ASAA2018103026676

## Discrepancy

LANDING ALTITUDE WINDOW IN PRESSURIZATION PANEL WOULD NOT RESET AFTER LANDING ( READS ONLY 50 FEET OR 0). GROUNDED - YES. CONFIRMED. REPLACED CABIN PRESS CTRL MODULE REF AMM 21-31-02. GND VERIFICATION GOOD.

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