As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT WE NOTICE A VERY LOUD WIND NOISE COMING FROM THE MAIL CABIN DOOR. ONCE IN CRUISE I OBSERVED THE AFT EDGE OF THE DOOR BEING MUCH LOUDER THAN THE FRONT EDGE. CORRECTIVE ACTION: REMOVED AND REPLACED THE MAIN CABIN DOOR SEAL (PN: 9914814-1) IAW AMM REF. 52-10-35. PERFORMED THE CABIN LEAK CHECK, LEAK CHECK GOOD IAW AMM REF. 21-30-00. PERFORMED OPERATIONAL CHECK OF THE MAIN CABIN DOOR, OPS CHECK GOOD IAW AMM REF. 52-10-00.