Service difficulty report · Control Valve · Doug MD11F

Difficulty date
May 27, 2012
Submitted
May 29, 2012
Operation
Air carrier
Aircraft
N588FE
Make and model
Doug MD11F
Aircraft serial
48490
Aircraft time
67,388 hours, 13,208 cycles
Part
Control Valve
Part number
ACG71305507
Part serial
SEM586
Condition
Inoperative
Location
Nlg Steering
Part time
37,220 hours, 8,734 cycles
Stage of operation
TX
How discovered
C
Nature of condition
E, E, E
Precautionary procedure
K

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

What was found

TOUCHDOWN FELT NORMAL, NO HARD PULL, BUT AS LANDING ROLL PROGRESSED IT SEEMED TO TAKE AN INCREASING AMOUNT OF RUDDER IN ORDER TO STAY ON RUNNWAY CENTERLINE W/ WINDS 40 DEG LT OF CENTERLINE AT 12 KNOTS. WHEN I DID GET ON THE BRAKES THEY GRABBED SIGNIFICANTLY AND THEY CHUGGED UNTIL LEAVING THE RUNWAY. R & R STEERING CONTROL VALVE AND STEERING CONTROL CABLE.

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