What was found
FLT#1733, DCA-PBI. ' AT GATE INFLIGHT CREWMEMBERS ADVISED OF ODOR WAS IN THE CABIN THAT STARTED ON INITIAL DESCENT OF THE PREVIOUS LEG I ALSO PRECEDED AN ODOR THAT SMELLS POSSIBLY LIKE A TINGE OF OIL; ACCOMPLISHED TSM 05-50-00-810-831 ISOLATED CONTAMINATION TO APU OIL LEAKS REF MDDR 472357 LP 3426631--2 COMPLIED WITH INFO NOTICE 2017-T015 SECTION B LEVEL A DECONTAMINATION ACCOMPLISHED OF ECS REF TSM 21-00-00. A/C OK FOR SERVICE.'