# SDR 4DPA2023102700001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2023
- Submitted: November 1, 2023
- Operation: Air carrier
- Aircraft: [N913JX](https://openairdocs.org/aircraft/N913JX), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145558
- Aircraft time: 43,544 hours, 33,896 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Regulator Valve
- Part number: 140N2022S1
- Part serial: NSN
- Condition: Stuck
- Location: Unknown
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4DPA2023102700001

## Discrepancy

CREW REPORTED- AIRCRAFT NOT PRESSURIZING RETURNED TO DAL AIRPORT. CORR ACTION- MX DISCOVERED DEBRIS STUCK IN FUSELAGE VALVE. R&R'D VALVE AND PRESSURIZATION OPS TEST GOOD.

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