As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT NOT ARMED MSG APPEARS ON EICAS WITH COCKPIT CONTROL IN ARM POSITION & FLIGHT ATTENDANT CONTROL IN NORM POSITION. MSG COMES ON FOR APPROX 15 - 20 SECONDS, GOES AWAY & THEN APPEARS AFTER 45 SECONDS. R & R EMER LIGHTS RELAY K0275 IAW AMM 20-13-02. EMER LIGHTING OPERATIONS CHECKED GOOD IAW AMM 33-50--00. R & R CONTROL MODULE OF EMER LIGHT & PASS SYS IAW 33-21-01. OPERATIONS CHECKED GOOD.