# SDR C2XA10RI046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2010
- Submitted: March 30, 2010
- Operation: Air carrier
- Aircraft: [N21197](https://openairdocs.org/aircraft/N21197), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 14500947
- Aircraft time: 11,262 hours, 6,077 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 2097K021100
- Part serial: 02375
- Condition: Defective
- Location: Cabin Pressure
- Part time: 1,263 hours, 6,078 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA10RI046

## Discrepancy

FLIGHT 2223 - EWR - FLIGHT CREW REPORTED EXCESSIVE FLUCTUATION IN CABIN PRESSURE DURING DESCENT AND CABIN RATE ALSO EXCESSIVE.  EWR MX REMOVED AND REPLACED THE ELECTRO-PNEUMATIC OUTFLOW VALVE AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY.  ACFT WAS APPROVED TO RETURN TO SERVICE.

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