# SDR SIMA20171207001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2017
- Submitted: December 11, 2017
- Operation: Air carrier
- Aircraft: [N690AE](https://openairdocs.org/aircraft/N690AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500858
- Aircraft time: 32,425 hours, 28,158 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20171207001

## Discrepancy

CLIMBING THROUGH 11,000 FT CABIN WARNING. WOULD NOT WORK IN AUTO OR MAN MODE. RETURN TO AIRPORT.   PERFORMED INSTALL NEW GROUND CONNECTION VALVE IAW AMM 21-22-04 OPS AND PRESSURIZATION CHECK GOOD. INSTALL BOTH ESCAPE HATCHES IAW AMM 52-21-00 OPS AND PRESSURE CHECK GOOD.

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