What was found
R VALVE WING ANTI ICE DOES NOT ACTIVATE TO COMMANDED POSITION. GROUNDED - YES. ACCOMPLISHED WING THERMAL ANTI ICE VALVE OPS TEST W / APU BLEED AIR, ACCOMPLISHED TEST THREE TIMES AND "R" VALVE WING ANTI ICE OPERATED NORMALLY ALL THREE TIMES, NO DEFFECTS NOTED, A/C CHECKS GOOD FOR SERVICE, NO HISTORY 30 DAYS, REF 30-11-11-710-801.