As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO PRESSURIZE AFTER TAKEOFF. EXCESSIVE AIR NOISE FROM LOWER RIGHT FORWARD AREA OF COCKPIT. AIRCRAFT RETURNED TO ATL. FOUND F/O SLIDING WINDOW BEING INTERFERRED WITH BY THE EYEBROW WINDOW CONDENSATION DRAIN TUBE. ADJUSTED TUBE TO PROPER LENGTH PER M/M. OPERATIONAL CHECK WAS SATISFACTORY.