What was found
FLIGHT 5137 - ON CLIMBOUT FROM CVG TO YYZ RECEIVED LEFT COWL ANTI-ICE INOP MESSAGE. CREW DECLARED EMERGENCY AND RETURNED BACK TO CVG AND LANDED SAFELY. REMOVED AND REPLACED LEFT ENGINE COWL ANTI-ICE PRESSURE RELIEF VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5137 - ON CLIMBOUT FROM CVG TO YYZ RECEIVED LEFT COWL ANTI-ICE INOP MESSAGE. CREW DECLARED EMERGENCY AND RETURNED BACK TO CVG AND LANDED SAFELY. REMOVED AND REPLACED LEFT ENGINE COWL ANTI-ICE PRESSURE RELIEF VALVE.