What was found
DURING PDC NOTED MAINT LIGHT ILLUMINATED OVERHEAD. GROUNDED - YES. ON STATUS PAGE ENG 2 CONTROL STATUS MESSAGE SHOWS. ACCOMPLISHED EXISTING FAULTS CHECK & FOUND MAINT MESSAGE 77-43023 FAN SPEED SENSOR OUT OF RANGE. NOT ACTIVE. ACCOMPLISHED FIM 77-00-00-810-960. ENG IDLE SYSTEST PER AMM 71-00-00-700-808-G00. IDLE TEST PASSED & MAINT MESSAGE DOES NOT SHOW ON GROUND TEST DISPLAY. ERASED STATUS MESSAGE PER IFIM 73-20-00-00-810-858 & MAINT LIGHT EXTINGUISHED. AIRCRAFT OK FOR SERVICES.