What was found
ETOPS SIGNIFICANT SYS - CLIMB POWER UNATTAINABLE ON LT ENG WITH THRUST LEVEL FULL FWD BTW FL 340 & 360, 2 1/2 KNOB DIFFERENCE. MAX NI 106.0. LT ENG: 103.4 NI, 773 EGT, 99.2 N2, 7.3 FF. RT ENG: 106.0 N1, 790 EGT, 99.9 N2, 7.7 FF. ACCOMPLISHED FIM73-21-00 FIG111 TEST 3 IAW AMM71-00-00 ALL RIGGING CKS OK AND TEST 3 CHECKS GOOD. REMOVED AND REPLACED NR 1 ENG CIT SENSOR IAW AMM73-21-02, REMOVED AND REPLACED T2 SENSOR IAW AMM 73-21-05, GROUND CHK (TEST3) OK, LEAK CHECK OK.