# SDR SIMA20140423004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2014
- Submitted: April 24, 2014
- 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: 34,731 hours, 31,072 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: TO
- 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/SIMA20140423004

## Discrepancy

AIRCRAFT WOULD NOT PRESSURIZE ON TAKEOFF.  RETURNED FOR EMERGENCY LANDING.  CABIN ALTITUDE REMAINED WITH AMBIENT RETURNED FOR LANDING AT 6000' ALTITUDE.  ACCOMPLISHED PRESSURIZATION FUNCTIONAL TEST OF AUTOMATIC & MANUAL MODE IAW AMM 21-31-00,  FOUND NO DISCREPANCIES AT THIS TIME, OPERATIONS CHECKED GOOD.

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