What was found
RIGHT ENG ANTI ICE COWL VALVE STUCK OPEN. GROUNDED - YES. DRY RAN #2 ENG AND CYCLED #2 ENG ANTI ICE COWL VALVE SWITCH TO ON AND THEN OFF, THE BLUE LIGHT EXTINGUISHED, OPS NORMAL REF B737-800 AMM CH 71-00-00-700-821-F00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RIGHT ENG ANTI ICE COWL VALVE STUCK OPEN. GROUNDED - YES. DRY RAN #2 ENG AND CYCLED #2 ENG ANTI ICE COWL VALVE SWITCH TO ON AND THEN OFF, THE BLUE LIGHT EXTINGUISHED, OPS NORMAL REF B737-800 AMM CH 71-00-00-700-821-F00.