What was found
FLT 601 - IND - AT APPROXIMATELY 1000 FT, ALTITUDE AFTER TAKEOFF, NR 2 ENGINE, ENGINE PRESSURE RATION BEGAN TO DROP OFF. MOVING THROTTLE FELT STIFF. GOT NR 2 FIRE INDICATION. PERFORMED ENGINE FIRE CHECKLIST, NR 2 GENERATOR AND NR 2 ENGINE APPROACH CHECKLIST. FOUND NR 2 ENGINE 13TH STAGE SADDLE DUCT BLOWN, REPLACED SAME. (M)