As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"DET FIRE ENG RT" EICAS MESSAGE 230 INTO FLIGHT. INTERROGATED MATERIAL, FOUND MAINT MESSAGE 26-10012 NOT ACTIVE. TROUBLESHOT IAW FIM 26-11 TASK 805, R & R ENGINE FIRE DETECTION CARD IAW AMM 26-11-03-4. PERFORMED ENGINE FIRE DETECTION TEST IAW AMM 26-11-00-5, TEST OK. ACFT OK FOR SERVICE.