# SDR FDEA201708162237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2017
- Submitted: August 16, 2017
- Operation: Air carrier
- Aircraft: [N989FD](https://openairdocs.org/aircraft/N989FD), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28480
- Aircraft time: 51,216 hours, 17,844 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Solenoid Valve
- Part number: 450801
- Condition: Leaking
- Location: C Hyd System
- Component: Valve Assy
- Stage of operation: CL
- 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/FDEA201708162237

## Discrepancy

DURING CLIMBOUT,  C HYD QTY ILLUMINATED. CENTER QUANTITY WAS DROPPING STEADILY.  ACCOMPLISHED A C HYD SYSTEM PRESSURE QRF CHECKLIST PRIOR TO CAUTION.   REMOVED AND REPLACED THE CENTER ALCS NR 2 SOLENOID VALVE, OPS AND LEAK CHECKED GOOD.  PERFORMED TEST 07 AND 30, ALL TESTED GOOD IAW MM 22-13-04-2.

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