What was found
ON CLIMBOUT, NR 2 ENGINE ANTI-VALVE POSITION LIGHT WENT FROM DIM TO BRIGHT AND REMAINED BRIGHT (ANTI-ICE VALVE LIGHT). AIRCRAFT RETURNED TO PHX. REMOVED AND REPLACED NR 2 ENGINE ANTI-ICE VALVE PER M/M, OPS CKS GOOD. REMOVED AND REPLACED NR 2 ENG ANTI-ICE VALVE PER MM, OPS CHECKS GOOD PER MM (P/N 172625-7) (S/N 546) OFF, (S/N 293C).