As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT FAS REPORTED VERY LOUD AIR NOISE AT DOOR 2L MO DOOS LTS ON OVRHD. 7.8PSI/8000CABALT CLEANED AND INSPECTED THE DOOR FRAME AND DOOR SEAL OF DOOR 2L. DID NOT FIND ANY DEBRIS IN THE FRAME OR ON THE SEAL. PERFORMED PRESSURIZATION TO 4.2 PSI FOR 20-25 MINS REF AMM 5-51-91. NO LEAKS OR NOISE CAME FROM DOOR 2L ON THE INSIDE OR OUTSIDE. ALSO FOUND THE GALLEY FLOOR VENT DIRTY BY DOOR 2L. CLEANED FLOOR VENT REF AMM 20-30-00.