As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY LIGHT SYSTEM OPERATIONAL CHECK FOUND CEILING EMERGENCY LIGHTS BETWEEN SEAT 37D AND DOOR 5L INOPERATIVE. REPLACED EMERGENCY LIGHT POWER SUPPLY M33407 PER AMM 33-51-06. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.