As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TROUBLESHOOTING #1 ENG EGT REF ASA LOG 60458740 AND ASA TSR TSR7122012, FOUND T3A CONNECTOR INSULATOR DAMAGE AND T3 SENSOR PIN DAMAGE. SENSOR KEYWAY FOUND BROKEN. GROUNDED - YES. REPLACED T3 SENSOR REF B737-800 AMM 73-21-07, EEC TEST PASS. REPLACED J9 HARNESS B737-800 AMM 73-321-06-400-802. FADEC SYSTEM TESTS ACCOMPLISHED EXCEPT ACTUATORS TEST. ACTUATORS TEST PASS.