# SDR SIMA20190119001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2019
- Submitted: January 23, 2019
- Operation: Air carrier
- Aircraft: [N612AE](https://openairdocs.org/aircraft/N612AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145079
- Aircraft time: 45,014 hours, 40,633 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 22250N030301
- Part serial: 00470
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: I
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20190119001

## Discrepancy

SUPPLEMENTAL CABIN DEPRESSURIZED IN CRZ AT FL 370 WHILE IN AUTO MODE. C/A-DEFERREED PRESSURE CONTROL SYSTEM AUTOMATIC MODE M PROCEDURES C/W VERIFIED AUTAMATIC MODE INOP WITH OPS CHECK WITH CREW AMM 21-31-00 AUTH # 010655DM-C. REMOVED AND REPLACED CABIN PRESSURIZATION DIGITAL CONTROLER IAW AMM 21-31-01. NO FIX. RAR ELECTROPNUEMATIC OUTFLOW VALVE IAW AMM 21-31-03. OPC GOOD. MEL ITEM RESTORED. ELECTROPNEUMATI OUTFLOW VAVLE P/N 2097K011100 S/N 167.

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