# SDR 4DPA2024032800001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2024
- Submitted: April 1, 2024
- Operation: Air carrier
- Aircraft: [N917JX](https://openairdocs.org/aircraft/N917JX), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145636
- Aircraft time: 43,989 hours, 33,859 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Message
- Condition: False Activation
- Location: Ram Air Valve
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4DPA2024032800001

## Discrepancy

CREW REPORTED- RAM AIR VALVE FAIL EICAS MESSAGE APPEARED AFTER DEPARTING KBJC AND NEVER FULLY PRESSURIZED DURING CLIMB OUT. CABIN ALT REACHED 10,000. RETURNED TO DEPARTURE AIRPORT. CORR ACTION- MX CND NO RAM AIR VALVE FAIL MESSAGE PRESENT. INSPECTED RAM AIR VALVE NO DEFECTS AND PERFORM GROUND PRESSURIZATION CHECK UP TO 3PSI FOR 5 MINUTES NO LEAKS OR PROBLEMS WITH PRESSURIZATION.

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