What was found
OVERNIGHT MAINTENANCE TEST OF THE EMERGENCY ESACPE PATH LIGHTING REVEALED SEVERAL LIGHTS OUT IN AFT CABIN AREA. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 11O WL 3, OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
OVERNIGHT MAINTENANCE TEST OF THE EMERGENCY ESACPE PATH LIGHTING REVEALED SEVERAL LIGHTS OUT IN AFT CABIN AREA. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 11O WL 3, OPERATIONAL CHECK OK.