# SDR C2XA11IA109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2011
- Submitted: June 16, 2011
- Operation: Air carrier
- Aircraft: [N29917](https://openairdocs.org/aircraft/N29917), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145414
- Aircraft time: 24,426 hours, 18,510 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 2099L021100
- Part serial: 150
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA11IA109

## Discrepancy

DURING CRUISE THE CREW REPORTED THAT THE AUTO-PRESSURIZATION FAILED AND DECLARED AN EMERGENCY.  DIVERTING TO AEX WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED THE OUTFLOW VALVE, PERFORMED OPERATIONAL CHECKS AND CLEARED THE DISCREPANCY.

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