As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE RIGHT TAILPIPE HOT LIGHT ILLUMINATED. AIRCRAFT RETURNED TO DTW. MAINTENANCE CLEANED MOISTURE FROM RIGHT TAILPIPE EXHAUST SENSORS CANNON PLUG. GROUND RAN AIRCRAFT FOR 15 MINUTES, OPS CHECK OF FIRE DETECTION SYSTEM GOOD.