# SDR CALA2020081101094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2020
- Submitted: August 11, 2020
- Operation: Air carrier
- Aircraft: [N61881](https://openairdocs.org/aircraft/N61881), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42200
- Aircraft time: 18,036 hours, 6,452 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Panel
- Part number: 71231997302AB
- Condition: Stuck
- Location: Cockpit
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2020081101094

## Discrepancy

AUTO PRESSRIZATION PANEL ALTITUDE SELECTOR STUCK AT 36500 TROUBLESHOOT PER FIM 21-31-00-810-803 K.  R & R CABIN PRESSURE CONTROL PANEL IAW TASK 21-31-02-000-801 AND TASK 21-31-02-400-801 AND GROUND TEST TASK 21-31-00-700-802 TEST GOOD.

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