# SDR SWAA2022112975741

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2022
- Submitted: November 29, 2022
- Operation: Air carrier
- Aircraft: [N8303R](https://openairdocs.org/aircraft/N8303R), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36681
- Aircraft time: 34,746 hours, 15,851 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Indicator
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022112975741

## Discrepancy

CABIN FAILED TO PRESSURIZE AT 10;000FT. NO AUTO FAIL LIGHT OR ALTN LIGHTS ILLUMINATED. DUCT PRESSURE NORMAL @ 40 / [01] REMOVED AND REPLACED CABIN ALTITUDE AND DIFFERENTIAL PRESSURE INDICATOR. IAW AMM 21-33-02

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.