As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTS EMER EXIT LIGHTS AFT RIGHT SIDE DOOR SPONTANEOUSLY ILLUMINATED ON LANDING ROLL OUT. EXTINGUISHED UPON REACHING TAXI SPEED. GROUNDED - YES. PERFORMED EMERGENCY LIGHT OPERATIONAL TEST PER B737-9 AMM SUBTASK 33-51-00-720-801TEST PASSED. NO FAULTS FOUND. A/C OK FOR CONTINUED SERVICE.