As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FIRE INDICATIONS IN FLIGHT, LIGHT AND BELL. AIRCRAFT MADE AN UNEVENTFUL RETURN TO TOL. REMOVED AND REPLACED NR 2 ENGINE LOWER FIRE DETECTION LOOP IAW B-727 MM 26-10. OPERATIONAL CHECKS GOOD ON GROUND. AIRCRAFT RETURNED TO SERVICE. (M)