What was found
FLT#813, HPN-FLL. 'ODOR ON DESCENT STARTED PASSING THUR 10K FT UNTIL LANDING MIX OF DIRTY SOCK AND OILY FUMES; COMPLIED WITH INFO NOTICE 2017-T015J ACCOMPLISHED LVL1 ECS DECON NO FURTHER ODOR DETECTED WITH LH AND RH ENGINE BLEEDS. REFER TO LP 3784905, ITEM 2 (IDENTIFIED SOURCE OF ODOR TO APU APU PLACED ON MEL. ACCOMPLISHED M PROCEDURE CB L41 AND L42 PULLED AND COLLARD. MX-4 UPDATED, PLACARD INSTALLED IN CONCURRENCE WITH MCC HANNY.). FOR APU MEL.'