What was found
COCKPIT AND CABIN FILLED WITH "BURNING PLASTIC" ODOR. FLT CREW RAN SMOKE-FIRE-FUMES CHECK LIST, SHUT OFF NR1 PACK AND ODOR DISSIPATED, FOUND LT RECIRCULATION FAN MOTOR BURNED, FAN REPLACED IAW AMM. REPLACED LT RECIRCULATION FAN 15HG. OPS NORMAL. INSTALLED PART.