What was found
SHORTLY AFTER TAKEOFF, CLIMBED THROUGH ICING LAYER & ANTI-ICE SYS CAME ON. BLEED 2 LOW TEMP ON EICAS WITH POINTER BELOW GREEN ARC. AFTER 10K, PERFORMED ANTI-ICE PNEUMATIC TEST FOR 1 MINUTE & AGAIN GOT MSG. ON APPROACH BACK TO ORD, FOLLOWED AOM PROCEDURE & TURNED OFF BLEED & PACK 2, OPENED X BLEED. POINTER ON NR 2 ECS PAGE RETURNED TO GREEN ARC. ON GLIDE SLOPE & POWER REDUCTION, RECEIVED ANTI-ICE INOPERATIVE WARNING, BLEED 1/2 LOW TEMP, WING ANTI-ICE FAIL, STAB ANTI-ICE FAIL. R & R NR 2 BLEED PB SWITCH IAW AMM 20-13-04 & OPERATIONS CHECK IAW AMM 36-00-00. OPERATIONS CHECKED GOOD.