What was found
DURING CLIMB OUT WITH FLAPS UP, HANDLE, GAUGE, LIGHTS SHOWING UP. AIRSPEED SAMON BUG STAYED AT 210 KTS & FLAPS SPEED. CYCLED HANDLE TO FLAPS 1 & FLAPS 5 WITH NO CHANGE IN FMC. UNABLE TO DUPLICATE ON GND, NO FLT FAULTS IN DFCS, FMC OR CDS SYSTEMS. AS PRECAUTIONARY R & R FSEU IAW AMM 27- 51-00-400-801.