What was found
DURING CLIMB, NR 1 ENGINE EXPERIENCED A SUDDEN SURGE FOLLOWED BY A ROLLBACK OF APPROXIMATELY 15 PERCENT N1. CAPTAIN NOTICED LT FUEL COMPUTER LIGHT ON & CO-PILOT EXECUTED CHECKLIST. FUEL COMPUTER DID NOT RESET. DECIDED TO RETURN. AFTER BURNING OFF FUEL, LANDED WITHOUT FURTHER INCIDENT. DOWNLOADED ENGINE FUEL COMPUTER, REVIEWED AND CLEARED FAULTS PREVENTING RESET. DOWNLOAD SHOWED FAULT CODE 81 WHICH IS SURGE BLEED VALVE SOLENOID SHORTED. SOLENOID PACK REPLACED AND ENGINES WERE RUN UP TO FULL POWER ON THE GROUND. NO FURTHER ISSUES NOTED.