What was found
THE L 14TH DUCT WARNING MESSAGE ON IN FLIGHT. LEFT ENGINE PRECAUTIONARY SHUT DOWN ACCOMPLISHED. REMOVED AND REPLACED LEFT BLEED AIR CONTROL UNIT, IAW CRJ MM 36-21-10.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE L 14TH DUCT WARNING MESSAGE ON IN FLIGHT. LEFT ENGINE PRECAUTIONARY SHUT DOWN ACCOMPLISHED. REMOVED AND REPLACED LEFT BLEED AIR CONTROL UNIT, IAW CRJ MM 36-21-10.