# SDR 2007FA0000268

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2007
- Submitted: March 27, 2007
- Operation: General aviation
- Aircraft: [N280MB](https://openairdocs.org/aircraft/N280MB), registered now
- Make and model: Gulstm 500S
- Aircraft serial: 3255
- Engine: Lyc TIO540A1A
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Part number: 20144
- Condition: Loose
- Location: Lt Mlg
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007FA0000268

## Discrepancy

PILOT NOTICED A FLUCTUATION AND LOSS OF HYDRAULIC PRESSURE IN FLIGHT, AFTER INSPECTION THE FORWARD HYDRAULIC HOSE B-NUT ON THE LT GEAR ACTUATOR WAS FOUND TO BE LOOSE.  THE B-NUT WAS TIGHTENED AND TORQUE SEAL WAS PUT ON THE B-NUT.  SERVICED HYDRAULIC RESERVOIR WITH H-5606.  AC WAS TEST FLOWN AND LEAK CHECK GOOD.  (K)

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