# SDR K11A2025040200308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2025
- Submitted: April 2, 2025
- Operation: Air carrier
- Aircraft: [N337CK](https://openairdocs.org/aircraft/N337CK), registered now
- Make and model: Boeing 737-3Y0
- Registry model: [Boeing 737-3Y0](https://openairdocs.org/model/boeing-737-3y0) (OpenAirDocs)
- Aircraft serial: 25173
- Aircraft time: 56,690 hours, 40,556 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Horn
- Condition: False Activation
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/K11A2025040200308

## Discrepancy

CABIN ALTITUDE LIGHT AND CABIN ALT HORN SOUNDED @ CRUSE FL320. EMERGENCY PROCEDURE DECLARED AN EMERGENCY DUE TO A PRESSURIZATION ISSUE. ACFT CONTINUED TO OMA, LANDED, AND TAXIED TO PARKING WITHOUT FURTHER INCIDENT.  PERFORMED CABIN PRESSURIZATION CONTROL SYSTEM TEST IAW AMM 21-31-00 OPS CHECK AND LEAK CHECKS GOOD, NO DEFECTS NOTED

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