What was found
FLIGHT 6692, MTY TO SAT, RIGHT ENGINE EGT BEGAN TO RISE. REDUCED POWER AND EGT STARTED TO DECREASE. ADVANCED POWER AND EGT/TORQUE BEGAN TO SURGE. SHUTDOWN ENGINE AND PROCEEDED TO SAT. AIRCRAFT LANDED WITHOUT FURTHER INCIDENCE. MAINTENANCE TROUBLESHOT SYSTEM AND FOUND LEAK ON THE P2 SENSOR. REPLACED O-RING IN ACCORDANCE WITH THE GARRETT MAINTENANCE MANUAL. OPERATIONAL CHECK GOOD. FUNCTIONAL FLIGHT GOOD. AIRCRAFT RETURNED TO SERVICE.