As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BTB - ENG R SYS FAULT AFTER STARTING R ENG TURBINE BEARING O/H CHANNEL AND B FAULT. CURRENT FAULT "TURBINE BEARING OVERHEAT SENSOR A/B CHANNEL DISAGREE" 772204. REMOVE AND REPLACE TURBINE OVERHEAT DETECTION THERMOCOUPLE PER AMM77-23-01, OPS CK OK.