As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS FWD CARGO FIRE LIGHT ILLUMINATED ERRONIOUSLY. TEST BUTTON HOLD IN LIGHT GOES OUT AFTER TEST BUT THEN COMES BACK ON. MAINTENANCE WORKING THIS EVENT. MAINTENANCE FOUND THE FWD CARGO #2 SMOKE DETECTOR LOOP B FAULTED. REMOVED AND REPLACED #2 SMOKE DETECTOR IAW AMM 26-16-01.