# SDR 2026FA0000247

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2026
- Submitted: April 1, 2026
- Operation: General aviation
- Aircraft: [N777KT](https://openairdocs.org/aircraft/N777KT), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500514
- Aircraft time: 3,471 hours, 3,044 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 66166
- Part serial: EM997P
- Condition: Faulted
- Location: Lt Engine
- Component: Hydraulic Sysem
- Component part number: NAS16128
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000247

## Discrepancy

DURING FLIGHT IAD TO SDL WITH OWNER ON-BOARD AND THEY LOST HYD A FLUID IN FLIGHT.   THE INDICATOR WENT DOWN TO %9 FAST.  THE PILOT PULLED THE PTU CB.  DECLARED AN EMERGENCY AND LANDED SAFELY AT KSTL.

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