What was found
SUPPLEMENTAL INFORMATION FLT 475, PVD-MCO. (FOR CLARIFICATION): TRICHLOROPROPANE (TCP)/AN ENGINE OIL COMPONENT, WHICH HAS NEUROTOXIC PROPERTIES ENTERED THE FLIGHT DECK (AS FUMES) AT 10,000 FT. ON DESCENT QRH SMOKE DID NOT FIX THE ISSUE. SMELL OF TCP INCREASED AFT AT 6,000 FT AND CONTINUED AFTER LANDING. TCP/TOXIC FUMES ENTERED THE CABIN IN THE FLIGHT DECK & CABIN; R & R BOTH O-ZONE FILTERS & LEAK CK IAW AMM 21-51-41 AS PER INFO NOTICE "2017-TO15" PERFORMED. T/S PER TSM 05-50-00-810-831-A. PERFORMED ENGINE WASH AS PER EMM 72-00-00-100-001-800. R AND R NR 1 & NR 2 RECIRC FILTERS AS PER AMM 21-21-41. PERFORMED BORESCOPE OF THE LPC AND HPC PER AMM 72-00-00-200-016" & 017, NO PUDDLING NOTED.