As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 8076 - AFTER TAKEOFF FROM CLT, THE LEFT COCKPIT SLIDING WINDOW WAS MAKING A LARGE AIR LEAK NOISE. THE FLIGHT RETURNED TO CLT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE LEFT WINDOW OUT OF TRACK. THEY RE-INSTALLED THE WINDOW IN ITS TRACK. (X)