What was found
ON TAKEOFF RIGHT MAIN GEAR UNSAFE INDICATION BOTH SYSTEM, COULD FEEL DRAG. CYCLED GEAR OPERATED NORMALLY. T/S RIGHT MLG RETRACT FUNCTION AS PER FIM 32-30-00 FIG 103, WITH A/C ON JACKS AND LANDING GEAR SWING TEST AS PER MM 32-31-00-5 & 07-11-00. PHYSICAL CHECK RIGHT GEAR DOOR LATCH, GEAR POSITION FOLLOW-UP CABLES AND PUSH RODS ALL CONDITION NORMAL PER 32-34-05-5 AND 32-31-00-5. TEST LANDING GEAR RETRACT TIME PASSED AS PER TASK 32-31-00-700-804. CONTINUE OPS LANDING GEARS FOR TWO HOURS MORE THAN FORTY TIMES, STILL UNABLE TO DUPLICATE PROBLEM. REMOVED AND REPLACED RT MLG UNLOCK CYLINDER PER MM 32-33-02-4. LUBRICATED RT LANDING GEAR/DOOR PER MM 12-21-00. A/C OK FOR SERVICE.