As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS AFT SIDE OF 4R, LIGHT WILL NOT ILLUMINATE DURING TEST. SUPPLEMENTAL DATA UPDATE FOUND GALLEY EMERGENCY LIGHT CONNECTOR SOAKED IN NASTY WATER. CLEANED UP CONNECTOR AND ADJACENT AREA. EMERGENCY LIGHTS WORK, LIGHTS ASSOCIATED WITH BATTERY M6011.