As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2868 - EWR - CREW REPORTED, -E2 FIRE DET FAIL-. ENGINE INDICATION NORMAL, MESSAGE APPEARED ABOVE FL 320 /OAT - 58 C. EWR MX FOUND CONNECTOR LOOSE (P0915). MX RESECURED PLUG AND PERFORMED OPERATIONAL CHECK OF THE SYSTEM IAW EMB 145 AMM 26-10-00. OPERATIONAL CHECK SUCCESSFULLY ACCOMPLISHED. ACFT WAS APPROVED TO RETURN TO SERVICE.