What was found
HISTORY OF LEFT WING ANTI ICE VALVE LIGHT ILLUMINATION. ACCOMPLISH ENG ASA TC MAX-30EA-25064. GROUNDED - YES. ACCOMPLISHED ASA TC MAX-30EA-25064 LH WING THERMAL ANTI-ICE VALVE INLET TUBE INSPECTION. FOUND MOISTURE INSIDE INLET TUBE. BLEW OUT MOISTURE FROM TUBE WITH COMPRESSED AIR. PERFORMED WING THERMAL ANTI-ICE VALVE OPS TEST WITH APU BLEED AIR REF B737-9 AMM 30-11-11-710-801. TEST OK. NO EXISTING FAULTS RELATED TO WING ANTI-ICE. APPROXIMATELY 15 DROPS OF WATER CAME OUT FROM INLET TUBE WHILE SHAKING IT.