# SDR QXEA2024060300149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2024
- Submitted: June 3, 2024
- Operation: Air carrier
- Aircraft: [N653QX](https://openairdocs.org/aircraft/N653QX), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000930
- Aircraft time: 3,411 hours, 2,688 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Valve
- Part number: 9753021
- Part serial: 1834
- Condition: Malfunctioned
- Location: Hyd System
- Part time: 3,410 hours, 2,686 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2024060300149

## Discrepancy

N CRUISE FLIGHT RECIEVED EICAS MESSAGE HYD 3 ELECTRIC PUMP A FAIL. RAN THE CHECKLIST AND TURNED THE PUMP OFF. ON LANDING HAD A FLIGHT CONTROL NO DISPATCH MESSAGE FOLLOWED BY A HYD 3 LOW PRESS. RAN THE CHECKLIST AND THE HYD 3 LOW PRESSURE WENT AWAY. REMOVED FROM SERVICE. REF W/0 341367 N/R-00001 AND N/R-00002 FOR WORK PERFORMED. REMOVED AND REPLACED HYD SYSTEM #3 PUMP UNLOADER VALVE.. PERFORMED ASSOCIQATED OPS TEST. OPS TEST GOOD. FCND CAUSED DUE TO HYD #3 ISSUE. FCND RETURN TO SERVICE TEST PASSED. NO FURTHER DEFECTS NOTED. NO FAULTS ON EICAS PRESENT. RETURNED TO SERVICE.

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