Service difficulty report · Line · Doug MD11F

Difficulty date
November 10, 2009
Submitted
November 12, 2009
Operation
Air carrier
Aircraft
N588FE
Make and model
Doug MD11F
Aircraft serial
48490
Aircraft time
59,975 hours, 11,370 cycles
Part
Line
Part number
AYK7170677
Condition
Leaking
Location
Hydraulic Sys
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

LOST HYD 3 FLUID AT LEVEL OFF ALT. THE LOSS WAS RA PID BEFORE PUMPS COULD BE SECURE. ALT GEAR WAS EXT ENDED. UNABLE TO GET CTR FEAR DOWN. LANDED APPROX 15000 NR OVERWEIGHT. PUMPED 9000 NR OF FUEL. FOUND HYD LINE IN RT W/W BETWEEN NR 3 HYD RES C/L/G CNTL VALVE BROKEN. MFG AND INSTALLED HYD LINE USING PERMASWAGE FITTINGS IAW CH 20. LK CK GOOD. SERVICED HYD JACKED AC AND SWUNG GEAR SEVERAL TIMES MOVED AC TO GATE RAN NR 3 ENG LEAK CHECK OF PUMPS AND FILTERS GOOD HYD QTY STABLE.

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