# SDR SIMA20151017001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2015
- Submitted: October 19, 2015
- Operation: Air carrier
- Aircraft: [N644AE](https://openairdocs.org/aircraft/N644AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145204
- Aircraft time: 37,794 hours, 33,865 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20151017001

## Discrepancy

ON DEPARTURE, EXPERIENCED AN AUTO PRESSURIZATION FAILURE.  PERFORMED AOM 1 PROCEDURE & SWITCH TO MANUAL MODE.  MANUAL MODE REQUIRED EXCESSIVE MOVEMENT & WAS DIFFICULT TO CONTROL.  PERFORMED AOM 1 PROCEDURE FOR MANUAL CONTROL FAILURE.  PERFORMED GVI OF LINES AT BOTH OUTFLOW LINES & AT PCA FLAPPER.  OPERATIONS CHECKED GOOD WITH NO EICAS OR CMC MSGS IN BOTH AUTO & MANUAL MODES IAW AMM 21-31-00.

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