What was found
ONE EACH EXHAUST MOUNT BOLT CAME OUT CAUSING EXHAUST TO SLIP OUT OF CLAMP LEAKING HOT EXHAUST GAS ONTO COWL FLAP HYDRAULIC LINE. THE LINE FAILED IGNITING HYDRAULIC FLUID, THE FIRE WARNING SYSTEM OPERATED AS IT WAS SUPPOSED TO. THE COWL FLAP SELECTOR WAS SELECTED TO OFF AND THE FIRE EXTINGUISHED. MINOR COWL FLAP AND RING COWL DAMAGE OCCURRED DUE TO HEAT ALL OF WHICH HAS BEEN REPAIRED.