What was found
ETOPS SIGNIFICANT SYSTEM, DIVERSION, TAT PROBE, AUTO PILOT, AUTO THROTTLE EICAS MESSAGE. NO LNAV, VNAV AND ASSOCIATED INFO. T/S PER FIM 30-33-00, PERFORMED MCDP TEST FLT FAULTS CODE 311661. FOUND TAT PROBE INOP. REMOVED AND REPLACED TAT PROBE IAW 34-12-02-004-001, OPS CHECK NORMAL. PERFORMED GROUND TEST 40. NO FAULTS TEST PASSED.