What was found
#2 COWL VALVE OPEN ON PREFLIGHT. GROUNDED - YES. REMOVED AND REPLACED INLET COWL THERMAL ANTI-ICE VALVE, REF B737-800 AMM 30-21-11. OPS CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
#2 COWL VALVE OPEN ON PREFLIGHT. GROUNDED - YES. REMOVED AND REPLACED INLET COWL THERMAL ANTI-ICE VALVE, REF B737-800 AMM 30-21-11. OPS CHECK OK.