What was found
APPROX 5 MINUTES AFTER DEPARTURE AND CLIMB POWER SET NR 3 ENG FIRE WARNING OCCURRED. ACCOMPLISHED ENG FIRE/SEVERE DAMAGE CHECKLIST. LIGHT REMAINED ILLUMINATED UNTIL AFTER LANDING. REMOVED AND REPLACED LT SIDE COWL DUE TO ALL DAMAGE PER MM71-11-06. PERFORMED CONDUCTIVITY HEAT INSPECTION, NO DEFECTS NOTED PER NDT 51-00-00 FIG 14 PG 6. REMOVED AND REPLACED NR 3 ENGINE PER EIA W/C 7201, 7203, 7207, 7209 OPS CK GOOD.