# SDR SWAA2025070186719

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2025
- Submitted: July 1, 2025
- Operation: Air carrier
- Aircraft: [N8584Z](https://openairdocs.org/aircraft/N8584Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 64800
- Aircraft time: 22,379 hours, 11,600 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Control Module
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CR
- 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/SWAA2025070186719

## Discrepancy

AUTO FAIL LIGHT CAME ON AT FL370. RAN QRH. COULD NOT CONTROL PRESSURIZATION IN MANUAL.  REMOVED AND REPLACED PER AMM 21-31-02-401-NG (CABIN PRESSURE CONTROL MODULE - REMOVAL/INSTALLATION - PERMANENT)

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