# SDR SIMA20140109009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2014
- Submitted: January 13, 2014
- Operation: Air carrier
- Aircraft: [N633AE](https://openairdocs.org/aircraft/N633AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145148
- Aircraft time: 34,575 hours, 31,776 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 912R0301
- Part serial: 01845
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20140109009

## Discrepancy

NO EICAS MESSAGES AUTO PRESSURIZATION FAILED TO KEEP THE CABIN WITHIN LIMITS.  MAIN PRESSURIZATION DID NOT FUNCTION.  KNOB INEFFECTIVE CABIN STABILIZED AT 9200 FT.

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