Service difficulty report · Hydraulic System · Doug MD11F

Difficulty date
January 9, 2016
Submitted
January 12, 2016
Operation
Air carrier
Aircraft
N521FE
Make and model
Doug MD11F
Aircraft serial
48478
Aircraft time
76,593 hours, 13,361 cycles
Part
Hydraulic System
Condition
Low
Location
Nr 1
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ON DEPARTURE FL320, HYD 1 FAIL ALERT 0 HYD QTY, 0 PRESS. SERVICED NR 1 HYD SYS IAW AMM 12-13-02-3. PRESSURIZED SYS WITH AUX PUMPS & OPERATED ALL ITEMS UNDER SYS 1, VERIFIED SYS 1 PRESS & FLUID QTY HELD. RAN NR 1 ENG IAW JRH & OPERATED ALL FLIGHT CONTROLS & ITEMS UNDER SYS 1 JUST WITH EDP`S WITH SAME RESULTS, NO DROP ON FLUID QTY & HELD PRESS. VERIFIED RESERVOIR & SYS 1, CHECKED GOOD. ACCOMPLISHED A GVI AROUND ACFT, NO LEAKS FOUND. ACFT OK FOR SERVICE.

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