What was found
NEAR TOP OF CLIMB, LEFT EPR DROPPED FROM 1.5 TO 1.3 ACCOMPANIED BY AIRCRAFT YAW. ENGINE QUICKLY RECOVERED AND REMAINED STABLE REST OF FLIGHT. REMOVED AND REPLACED LT ENG FMU PER MM. LEAK CHK OK. REMOVED AND REPLACED LT ENG EEC PERFORMED ALL TEST REQUIRED. OPS CHK OK. ALSO PERFORMED HIGH POWER RUN, NO FAULTS NOTED ON PIMU/ENG EPR WAS STEADY NO FLUCUATIONS. REMOVED AND REPLACED LT ENG FMU PER MM. LEAK CHK OK. REQUIRES ENG RUN. LT ENG EEC PERFORMED ALL TEST REQUIRED. OPS CHECK OK. ALSO PERFORMED HIGH POWER RUN UP. NO FAULTS NOTED ON PIMU/ENG E WAS STEADY NO FLUCTUATIONS.