As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOUD SOUND COMING FROM MAIN CABIN DOOR. PRESSURIZATION IS STABLE. (FLT 6365) FOUND DAMAGE TO THE MAIN CABIN DOOR SEAL RETAINER AT DOOR FS 320.10, DAMAGE IS OUT OF LIMITS. REPLACED MAIN CABIN DOOR LOWER FWD AND LOWER CENTER SEAL RETAINERS, AND REPLACED PAX DOOR SEAL, IAW REO, SRM AND AMM.