As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER ENTERING CRUISE THE CREW REPORTED AN E1 FIRE DET FAIL MESSAGE. THE CREW CHECKED ALL INDICATIONS AND ALL WERE WITHIN NORMAL OPERATING RANGES. THE QRH WAS RUN AND IT WAS DECIDED TO DIVERT TO IND. THE AIRCRAFT LANDED IN IND WITHOUT INCIDENT AND WAS INSPECTED BY FIRE CREWS WITH NO FIRE BEING NOTED. MAINTENANCE REPLACED THE LEFT FIRE DETECTOR IAW EMB 135 AMM CH 26-11-01. FUNCTIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.