As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 7031 - EN ROUTE FROM TPA-BOS, THE NR 1 ENGINE FIRE DETECTION FAULT LIGHT BEGAN TO ILLUMINATE INTERMITTENTLY TO STEADY. CREW ACCOMPLISHED QUICK REFERENCE HANDBOOK PROCEDURES AND DIVERTED TO CLT. FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE B-LOOP FIRE DETECTION ELEMENT. OPERATIONAL CHECK GOOD. (M)