What was found
ON FINAL, AT 2000 FT, THE FA REPORTED A DIRTY SOCK ODOR IN THE FRONT AND AFT CABIN. ODOR DISSIPATED AFTER LANDING. THERE WAS NO ODOR IN THE FLIGHT DECK. ACCOMPLISHED INFO NOTICE 2017-T015B SECTION B, FOUND THE NR 2 ENGINE OVERSERVICED. SERVICED THE ENGINE TO CORRECT LEVEL IAW AMM 12-13-70. RAN THE ENGINES AND APU, NO ODOR PRESENT. COMPLIED WITH INFORMATION NOTICE 2017-T015B SECTION B. AIRCRAFT OK FOR CONTINUED SERVICE.