What was found
RECEIVED A SLAT DISAGREE ON ARRIVAL. ON ARRIVAL SEA NO FAULTS ON FCC1, FCC 2 OR PSEU. CYCLED FLAPS & ALL SLAT POSITION VALUES CHECKED OK IN FCC SENSOR READOUT. SLATS & FLAPS OPERATE SMOOTH. PERFORMED FLAP TRANSMITTER POSITION CHECK IAW MM 27-50-00-5 ALL INDICATIONS CHECKED GOOD. INSPECTED NR 4 SLAT POSITION SENSOR BOTH WINGS. CLEANED GREASE FROM SENSORS &TARGETS BUT WERE NOT UN NORMALLY DIRTY. INSPECTED CTR ASSESSORY COMPARTMENT SLAT CONTROL MECHANISM FOR MOISTURE OR DAMAGE, NONE FOUND. R & R EPSU PRECAUTIONARY IAW MM 31-71-01-2 CHECKED GOOD. PERFORMED FCC1 & FCC 2 AUTO LAND SYS GND TESTED IAW MM 22-00-00-2-0.