What was found
ENGINE PARAMETER MISMATCH. ENG 2 N1 MUCH HIGHER WHILE EPR WAS L ESS. ENG 2 FF HIGHER. DUE TO PREVIOUS AIR RETURN REQUIRES FURTHER TESTING AND POSSIBLE ENG RUN. PERFORMED TEST 9 ON NR 1 AND NR 2 ENGINE IAW AMM 71-00-00-715-170-R03. BOTH ENGINES N1 N2 N3 & FUEL, FLOW ARE CLOSE TO IDENTICAL BUT EPR ON NR 2 ENG WAS 1.33. OPS ENGINE TO MAX THRUST LEVEL THRUSH KNOB WERE OFF BY 3/4. OPS CHECKED WAS GOOD. REMOVED AND REPLACED FUEL FLOW GOVERNER IAW AMM 73-21-01, UP TO STEP J, FFG LEAK CHECKED GOOD. COMPLIED IAW LOG 9315474 ,