As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE WARNING LIGHT ILLUMINATED ON TAXI OUT SEVERAL TIMES. THE FLIGHT ATTENDANT DID NOT NOTICE THE SMELL OF SMOKE ON TAXI OUT. THE FLIGHT ATTENDANT DID AN INSPECTION OF THE BAG BAY DURING TAXI BACK TO GATE, NO SMOKE WAS DETECTED. INSPECTED BAG BAY AREA, EVIDENCE OF FIRE OR SMOKE WAS DETECTED. REPLACED BOTH SMOKE DETECTORS S/N: 0555 AND 0772. S/N 0772 HAS HAD PREVIOUS HISTORY OF THIS DISCREPANCY.