What was found
ON FINAL INTO TVF ABOUT 8-10 MINUTES OUT, COCKPIT FILLED WITH A STRONG SMOKE ODOR. FA LATER REPORTED FAINT ODOR IN CABIN AND NO VISIBLE SMOKE. NOTED SHORT FINAL SHUT OFF BOTH BLEED VALVES. FOUND APPROX 2 1/2'' BY 2 1/2'' PIECE OF INTAKE HEATING MAT TO HAVE BROKEN OFF. INDICATIONS SUGGEST SOME PARTICLES MAY HAVE ENTERED THE RIGHT ENGINE. REPLACED RIGHT ENGINE LOWER FORWARD DUCT ASSY PN NH24668-081-08 SN OFF L155395 PN ON NH24668-169 SN ON L290559 IAW SAAB AMM 71-60-05. REPLACED RIGHT ENGINE DEICE CONTROL MODULE PN 44730 SN OFF L248376 SN ON A00031 IAW SAAB AMM 30-20-15 PERFORMED GROUND RUNS, NO DEFECTS NOTED. PERFORMED BOROSCOPE INSPECTION OF COMPRESSOR IAW GE MM 72-00-00, NO DEFECTS.