# SDR QXEA2024052800136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2024
- Submitted: May 28, 2024
- Operation: Air carrier
- Aircraft: [N644QX](https://openairdocs.org/aircraft/N644QX), 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: 17000767
- Aircraft time: 14,247 hours, 9,537 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 5116604
- Part serial: 6133
- Condition: Malfunctioned
- Location: Hyd System
- Part time: 12,794 hours, 8,194 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2024052800136

## Discrepancy

DURING CRUES FLT @ FL310 HYD 3 LO QTY EICAS ADV LIGHT ILLUMINATED HYD 3 QTY WAS @ 18% THEN DECREASED TO 14%, THEN BACK TO 16%. REMAINED AT 16% TIL LANDING. AFTER LANDING HYD 3 LO QTY MSG EXTINGUISHED AND NYD 3 QTY WENT UP TO 28%. REMOVED FROM SERVICE. REF W/O 341270 N/R -00001 FOR REPLACEMENT OF #3A HYD PUMP OPS CHECK GOOD NO LEAK NOTED. RETURNED TO SERVICE.

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