What was found
FLT NR 1 AD08 REPORTED, NR 1 ENGINE BLEED AIR CAUSED AIR CONDITIONING TO EMIT FUMES, CLOSED NR 1 BLEED VALVE TO ELIMINATE FUMES. ON LANDING, CARGO COMPARTMENT FILLED UP WITH SMOKE AFTER ENGINES WERE REVERSED ON ROLL OUT. FOUND NR 1 ENGINE HAS CRACKED TURBINE REAR BEARING SUPPORT AND INTERNAL LEAK, THE CARGO COMPARTMENT HEAT EXCHANGER WAS ALSO FOUND CRACKED. REPLACED NR 1 ENGINE, CARGO COMP COOLING TURBINE, AND HEAT EXCHANGER, ALL SYSTEMS OPS CHECKED GOOD. (M)