# SDR 3EJA807JS100725

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2025
- Submitted: January 8, 2026
- Operation: Air carrier
- Aircraft: [N807JS](https://openairdocs.org/aircraft/N807JS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605354
- Aircraft time: 13,957 hours, 9,285 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 99120624
- Part serial: 4137
- Condition: Failed
- Location: Zone 400
- Part time: 9,044 hours, 5,825 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3EJA807JS100725

## Discrepancy

CLIMBING OUT OF SDF AROUND 30,000 GOT A LOW HYD FLOW R ANNUNCIATION.  CHECKLIST WAS REVIEWED, COMPLETED, FLIGHT WAS GOING TO CONTINUE.  LEVELING OFF AT FL430 AT CRUISE WAS FLYING ABOUT.68.  IN CRUISE THE AUTOPILOT DISENGAGED WITH THE YOKE COMING AFT AGGRESSIVELY AND PUTTING THE AIRCRAFT INTO A CLIMB.   T/S SYSTEM. R & R RT ENG DRIVEN PUMP. OPS CK GOOD.

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