What was found
L1 DOOR SLIDE LIGHT NOT ILLUMINATING. OPERATED THE L1 DOOR SLIDE ARM AND DISARM FUNCTION SEVERAL TIMES IAW MM 25-66-01-6 AND THE LIGHT CAME ON EVERY TIME. TRIED ARMING SLIDE WITH LESS FORCE AND FOUND THAT SOMETIMES THE LIGHT WOULD NOT ILLUMINATE. VISUALLY INSPECTED GIRT BAR AND ARMING MECHANISM FOR DEFECTS, NONE FOUND. CLEANED AND THEN LUBED THE GIRT BAR ARMING MECHANISM. MADE A SMALL ADJUSTMENT IN GIRT BAR MECHANISM IAW MM 52-11-25-5. OPERATED THE SLIDE ARMING - DISARMING MECHANISM SEVERAL TIMES WITH THE LIGHT ILLUMINATING EACH TIME. L1 DOOR SLIDE ARM AND DISARM FUNCTION OPERATES NORMALLY IAW MM 52-11-25-5. OK FOR SERVICE.