What was found
(CAN) ON DEPARTURE CLIMBING THROUGH 9000 FT, THE ENGINE DISPLAY POWERPLANT ADVISORY ILLUMINATED. FOLLOWING DISCUSSIONS WITH BASE ENGINEERING THE CREW DECIDED TO RETURN THE AIRCRAFT TO BASE WHERE AN APPROACH AND LANDING WAS CARRIED OUT WITHOUT INCIDENT. THE POWERPLANT ADVISORY FAULT CODE 338 IS THE 3RD OCCURRANCE ON THIS AIRCRAFT. FOLLOWING ADVICE FROM THE MFG AND DETAILED TROUBLESHOOTING THE AIRCRAFT`S PSEU WAS REPLACED. AIRCRAFT WAS RELEASED BACK TO SERVICE WHERE IT HAS OPERATED SINCE WITHOUT INCIDENT. (TC NR 20070710003)