What was found
LEFT ENGINE DID NOT MAKE REQURED OF 93.2. ONLY MADE 89.1.NO THROTTLE RESPONSE. PERFORMED POWER ASSURANCE TEST 5 AMM 71-00-00-703-813-FOO SUCCESSFUL. HOWEVER ENGINE FAILED INCREASE THRUST ABOVE 91.2 N1 AS IN ORIGINAL DISCREPANCY. DOESN'T ACHIEVE THRUST ABOVE N1 91.2%. T/S FIM 73-05-00-810-808-FOO STEPS THRU E (5) ENGINE STILL REPLACED BOTH FUEL PUMP PER AMM TASK 73-11-11 AND HMU PER AMM TASK 73-21-10. REQUIRES OPS CHECK AND LEAK CHECKS AFTER WET MOTOR SIGN OFF REF L/P 3360040 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1187009 SN OFF 0306 TT # 1204281 SN OFF 5286 UNIT, HYDROMECH OFF 29-7321-9-0012 0306 ON 29-7321-9-0012 4479 PUMP, ENGINE FU OFF 29-7311-9-0001 5286 ON 29-7311-9-0001 2422 PERFORMED TESTS REQUIRED PER FUEL PUMP AMM TASK 73-11-11 AND HMU AMM TASK 73-21-10 OPS CHECKS AND LEAK CHECKS NORMAL. POWER ASSURANCE CHECKS SUCCESSFUL PER AMM TASK 71-00-00-700-813-F00. IDT UPGRADE WAS PERFOMED AND NO DEFECTS WERE NOTED.