Service difficulty report · Control Valve · Doug MD11F

Difficulty date
November 17, 2011
Submitted
November 22, 2011
Operation
Air carrier
Aircraft
N574FE
Make and model
Doug MD11F
Aircraft serial
48499
Aircraft time
68,588 hours, 14,684 cycles
Part
Control Valve
Condition
Out Of Rig
Location
Mlg
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 TAKEOFF, GEAR DID NOT RETRACT COMPLETELY. CREW MOVED THE GEAR HANDLE UPWARD TO THE TOP OF THE DETENT AND RED LIGHTS EXTINGUISHED. SPEED MOMENTARILY 240KTS. REDUCED TO BELOW 230 WHILE PROBLEM WAS WORKED. NO ADVERSE YAW NOTED. LANDED OK, WITHOUT INCIDENT. CHECKED LANDING GEAR CONTROL VALVE INPUT RODS FOR FROZEN ROD ENDS. SEVERAL FOUND AND FLAGS ATTACHED. REPLACED ROD ENDS ON P AND N. REPLACED ROD ASSY N. ADJUSTED P AND N PER 32-31-00-5. RIG CHECK GOOD. JACKED & SWUNG GEAR IAW AMM 07-11-00-2-0, PERFORMED SWING THREE TIMES WITH NO NOTED PROBLEMS. PERFORMED OPS CHECK PER 32-31-00-5. EXTENSION & RETRACT CYCLE TIMES GOOD. ACFT OK FOR SERVICE.

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