As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IND - FLT 4188 - FORWARD SMOKE DETECTOR WARNING LIGHT ILLUMINATED IN FLIGHT, CREW INSPECTED THE CARGO COMPARTMENT AND NO SMOKE OR FIRE WAS NOTED. FLIGHT CONTINUED TO ORD. MAINTENANCE REMOVED AND REPLACED FORWARD SMOKE DETECTOR. OPS CHECK WAS GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)