# SDR WNDA202610120827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2026
- Submitted: October 13, 2026
- Operation: General aviation
- Aircraft: [N200JT](https://openairdocs.org/aircraft/N200JT), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500103
- Aircraft time: 10,761 hours, 6,940 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Part number: 67635051
- Part serial: 805
- Condition: Leaking
- Location: Zone 500
- Part time: 10,761 hours, 6,940 cycles
- Stage of operation: AP
- 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/WNDA202610120827

## Discrepancy

FIRST OFFICER  AND  SIC WERE CONDUCTING A REPOSITION FLIGHT FROM KGKY TO KADS.  ON APPROACH  AND CONFIGURED AIRCRAFT FOR LANDING, AN EICAS MESSAGE INDICATED HYD QTY A SYS LOW.  IMMEDIATELY AFTER, SIC OBSERVED PTU MAKING ABNORMAL NOISE.  FO THE PIC TO RUN THE APPROPRIATE CHKLST WHILE FO IMMEDIATELY PULLED THE PTU CIRCUIT BREAKER. FOLLOWING, ADDITIONAL EICAS MESSAGES APPEARED, INCLUDING HYD PTU FAIL, HYD PUMP FAIL A, & AILERON RATIO LOW.  HYD SYS SYNOPTIC CONFIRMED SYS A PRESSURE AT 0 PSI WITH QTY REDUCED TO 2.  DIVERTED TO KAFW. CONTACTED ADDISON TOWER, BROKE OFF THE APPROACH, & DECLARED AN EMERGENCY. HANDED OFF TO APPROACH CONTROL & RECEIVED RADAR VECTORS TOWARD KAFW. LANDED SAFELY WITH NO FURTHER ISSUES. ACFT INSPECTED ON THE RUNWAY, SECURED, & TOWED CLEAR FOR FURTHER INSPECTION AND REPAIR.

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