What was found
DFW - FLT 3563 - LAV SMOKE WARNING LIGHT CAME ON PRIOR TO DEPARTING GATE AND WILL NOT GO OUT. REMOVED AND REPLACED LAV SMOKE DETECTOR. OPERATIONAL CHECK GOOD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - FLT 3563 - LAV SMOKE WARNING LIGHT CAME ON PRIOR TO DEPARTING GATE AND WILL NOT GO OUT. REMOVED AND REPLACED LAV SMOKE DETECTOR. OPERATIONAL CHECK GOOD. (M)