As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING POST FLIGHT ON FLIGHT #3055, RH ENGINE FIRE INDICATION. MAINTENANCE FERRIED AC FROM TVC TO DTW TROUBLESHOOTING OF RH ENGINE FIRE DETECTION SYSTEM PROBLEM. MAINTENANCE FOUND AND REPAIRED SHORT IN WIRE WG92-20. ALL CHECKS GOOD AT THIS TIME. ALL IAW SF340 MM. SEE 409 # 087254 FOR DETAILS.