# SDR RAIA201504200001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2015
- Submitted: April 23, 2015
- Operation: Air carrier
- Aircraft: N843HK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145822
- Aircraft time: 27,175 hours, 24,942 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Inoperative
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RAIA201504200001

## Discrepancy

ACFT DID NOT PRESSURIZE AFTER TAKEOFF, ACFT RETURNED TO DEPARTURE.  MAINTENANCE REPLACED DIGITAL CONTROLLER, OPS CHECK GOOD IN AUTO AND MANUAL MODES.

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