As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#44, LGW-JFK. ' DIRTY SOCK SMELL AFT GALLEY DURING FINAL APPROACH PHASE; COMPLIED WITH INFORMATION NOTICE 2017-T015K, SECTION B2. IDENTIFIED ODOR AS TYPE 1. DECONTAMINATION LEVEL 1 WAS ACCOMPLISHED PER TSM TASK 05-50-00-810-831-A. AIRCRAFT IS OK FOR SERVICE. INSP OF APU DID NOT REVEAL ANY EVIDENCE OF LEAKS. NO ODORS NOTED DURING OPERATION OF APU NOR ENGINES.'