As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH SMOKE DETECTORS AT 4R ALARMED NO APPARENT SMOKE OR FIRE. PERFORMED TEST ON SMOKE DETECTORS ALL INDICATIONS NORMAL. INSPECTED BOTH 4R LAVS NO EVIDENCE OF FIRE OR OVERHEAT HEAT DETECTOR DECALS CHK GOOD. NO TROUBLE FOUND, NO HISTORY OK FOR SVC.