What was found
HNL - FLT 931 - SLAT DISAGREE LIGHT ILLUMINATED INTERMITTENTLY DURING CRUISE AT FL 350 MACH .82 MINUS 57 DEGREES CELSIUS. CONTINUITY CHECK SLATS SENSOR, NO DEFECTS NOTED, CHECK SLAT HANDLE SWITCH, NO DEFECTS NOTED, CHECKED SLAT PROXIMITY SWITCHES, NO DEFECTS NOTED. UNABLE TO DUPLICATE ON GROUND. REMOVED AND REPLACED PROXIMITY BOX (PRECAUTIONARY). OPS CHECK OK FOR SERVICE. (X)