# SDR CALA2019012800174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2019
- Submitted: January 28, 2019
- Operation: Air carrier
- Aircraft: [N75432](https://openairdocs.org/aircraft/N75432), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 32835
- Aircraft time: 33,342 hours, 11,436 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 2123002AC
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019012800174

## Discrepancy

DIFFICULTY PRESSURIZING AND EQUIP COOLING EXHAUST OFF LIGHT ILLUMINATED IN NORMAL.

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