What was found
AFTER STARTING ENGINE #2, THE #2 BLEED ANNUNCIATOR ILLUMINATED. WENT THROUGH QRH AND ANNUNCIATOR REMAINED ON. GROUNDED - YES. MSG 36-11051 ACCOMP B737-9 IFIM 36-11-00-810-805 MESSAGE DIDN'T CLEAR. CYCLE PRSOV VALVE MANUALLY WATER DRIPPING OUT OF VALVE. REMOVED AND REPLACED #2 ENG PRSOV IAW B737-9 AMM 36-11-04-400-801 STEP 3.A THRU H AND SUBTASK 36-11-04-860-036 STEP 2,3 AND 4 G. PERFORMED ENG DRY RUN AND IDLE RUN REF AMM 71-00-00. #2 ENG BLEED ANNUNCIATOR RETURNED. SWAPED L/H AND R/H IASC'S, FAULT FOLLOWS, RETURNED TO NORMAL LOCATION AND REPLACED THE R/H IASC, OPS CHECK GOOD, FAULT NO LONGER PRESENT. REF AMM 21-61-22/401. OPS CHECKS PASS.