As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE SMOKE WARNING LIGHT HAD ILLUMINATED INTERMITTENTLY IN FLIGHT. CHECK LIST WAS COMPLETED, AND NO SMOKE WAS FOUND IN THE CARGO COMPARTMENT. IT WAS SUSPECT THAT THERE WAS INTERFERENCE FROM A HEARING AID IN SEAT 8A. MAINTENANCE INSPECTED THE CARGO SMOKE DETECTORS. NO VISUAL DAMAGE WAS FOUND. CARGO SMOKE TEST PERFORMED. OPERATIONAL CHECK WAS GOOD. AIRCRAFT WAS RETURNED TO SERVICE.