Service difficulty report · Hydraulic Line · Doug MD11F

Difficulty date
September 17, 2010
Submitted
September 20, 2010
Operation
Air carrier
Aircraft
N988AR
Make and model
Doug MD11F
Aircraft serial
48434
Aircraft time
65,864 hours, 13,139 cycles
Engine
Ge CF680C2*
Engine time
38,970 hours, 7,320 cycles
Part
Hydraulic Line
Part number
AE7081633
Condition
Leaking
Location
Hydraulic Sys
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
A

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

What was found

HYDRAULIC SYSTEM FAILURE DURING CRUISE, ALT LANDING GEAR EXTENSION REQUIRED, DIVERTED TO (SVMI/CCS). FOUND DEFECTED HYD HOSE NR 3 ENGINE DRIVEN PUMP, LOWER HOSE ASSY. REPLACED HOSE WITH SERVICEABLE HOSE IAW MD-11 MM 20-40-01, PERFORMED LEAK CHECK IAW MM 71-00-06, NO LEAKS, SERVICED NR 3 HYD SYSTEM IAW MM 12-13-02, AIRCRAFT RETURNED TO SERVICE.

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