As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MSY/CLT - FLT 796 - ON CLIMB-OUT, THE CABIN FILLED WITH SMOKE. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED A LEAKING LEFT THRUST REVERSER CONTROL VALVE. AN OVERWEIGHT LANDING INSPECTION WAS ALSO PERFORMED. (X)