What was found
#2 ENGINE SHORT TIME FAULT MESSAGE 75-20402 THE VSV POSITION SIGNALS DISAGREE. DEFERRED PER T/C 78273000SEA ONLY. GROUNDED - YES. PERFORMED B737-800 FIM 75-31 TASK 804 FOR BOTH A & B CHANNEL VSV POSITION SIGNALS DISAGREE. B CHANNEL ACTUATOR RESISTANCE VALUES ARE GOOD. INSPECTED B CHANNEL VSV ACTUATION SYSTEM PER FIM AND FOUND B CHANNEL ACTUATOR BELLCRANK ASSEMBLY STAGE 3 ACTUATOR ARM WORN. BOTH VSV ACTUATOR BELLCRANKS REPLACED REF B737-800 AMM 72-32-00. ALSO REPLACED THE R/H VSV ACTUATOR DUE TO LEAKAGE REF AMM 75-31-01. LK AND OPS CKS GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.