What was found
FLT#906, ORD-JFK. 'DIRTY 'SUCK ODOR' SMELL ON DECENT. SPECIFICALLY IN AFT GALLEY, ROW 6, ROW 18 & COCKPIT; COMPLIED WITH INFO NOTICE 2017-T105, SEC B2, ID ODOR FROM APU BLEED, FOUND OIL RESIDUAL AROUND INLET DUCT, CLEAN THE AREA , NO INTERNAL LEAK NOTED. PERFORMED DECONTAMINATION LEVEL A PER TSM 05-50-00-810-831-A AND AMM 21-00-00-615-802A, A/C OK FOR SERVICE.'