What was found
FLT#505, EWR-FLL. 'FLIGHT ATTENDANT SAID THERE WAS A DIRTY SOCKS SMELL ON DESCENT AT THE END OF THE FLIGHT; PERFORMED A LEVEL A DECONTAMINATION OF THE ECS IRW A320 AMM 21-00-00-615-802-A. COMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION A. ISOLATED TO TYPE 1, LEVEL 1 AS PER TSM 05-50-00-810-831-A: ISOLATED OIL LEAK TO BE THE APU COOL FAN SECTION.A/C O.K TO CONT SERVICE AT THIS TIME.'