As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O FIRE DET 2 FAIL INDICATED ON EICAS.FACT 09AUG23 21:33 CLT GROUND RAN A/C FOR 5 MIN AND OHM OUT #2 FIRE DETECTOR P 0914 AND FIRE LOOP. NO DEFECTS NOTED. OPS CHECK GOOD OK FOR SERVICE. E2 FIRE DET FAIL WITH ENG 2 ON AND THRUST LEVER ADVANCED. PERFORMED FIM TASK 1-5 PASSED. FAILURE OF ENGINE CONTROL MODULE 2 R&R MODULE IAW AMM 26-11-03. GOUND RAN A/C WITH THRUST LEVERS ADVANCED. OPS CHECK GOOD OK FOR SERVICE.