As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3146 - EWR - DURING CLIMBING PAST FL 240, FLIGHT CREW REPORTED NOISE AND VIBRATION APPEARING TO COME FROM THE WINDSHIELD SEAM INSULATION. CREW PERFORMED AIR RETURN AND LANDED ACFT SAFELY. EWR MX FOUND CAPTAIN WINDSHIELD HUMP SEALANT PEELING OFF. MX TRIMMED THE LOOSE SEALANT AND PERFORMED SEALANT REPAIR.