As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A LOUD HUMMING NOISE ORIGINATING CLOSE TO CREW ENTRY DOOR. STARTED AT 10000' ON CLIMB OUT AND EDED ABOUT 10000' ON DESCENT.CREW ENTRY DOOR SEALS INSPECTED AND CLEANED AMM 52-09-00. FOUND SMALL CUT IN AFT ACOUSTIC SEAL. SEAL REPAIRED IAW AMM 52-09-00-801. TASK 358056 METHOD B.