Service difficulty report · Solenoid Valve · Boeing 757231

Difficulty date
August 16, 2017
Submitted
August 16, 2017
Operation
Air carrier
Aircraft
N989FD
Make and model
Boeing 757231
Aircraft serial
28480
Aircraft time
51,216 hours, 17,844 cycles
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.