# SDR R61A2026100500296

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2026
- Submitted: October 5, 2026
- Operation: Air carrier
- Aircraft: [N765YX](https://openairdocs.org/aircraft/N765YX), 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: 17000950
- Aircraft time: 6,537 hours, 5,110 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Relief Valve
- Part number: 2327H030
- Part serial: 5343
- Condition: Leaking
- Location: Zone 100
- Part time: 6,537 hours, 5,110 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2026100500296

## Discrepancy

HYD 1 QTY DROPPED QUICKLY IN FLIGHT. DECLARED EMERGENCY AND LANDED WITH NO INCIDENT. REMOVED AND REPLACED HYD SYSTEM 1 MANUAL RELIEF VALVE.

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