As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 549 - DURING CRUISE FLIGHT AT FL360, WHEEL WELL FIRE RED LIGHT ILLUMINATED FAINTLY FOR 1 SECOND ACCOMPANIED BY 1 DING OF THE FIRE BELL. INSPECTED AND TESTED SYSTEM PER MM CH 26-12-0. NO DEFECTS FOUND. SYSTEM OP CHECKS GOOD. ACFT WAS GROUNDED.