As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: THE NUMBER 3 SEAT LED AISLE LIGHTS DO NOT ILLUMINATE WHEN USING EMERGENCY POWER ONLY. REMOVED BATTERY PACKS. PERFORMED EMERGENCY LIGHTING BATTERY PACK POST-MAINTENANCE CHECK. POST MAINTENANCE CHECK GOOD, NO DISCREPANCIES NOTED. WORK DONE IAW MM 33-50-06.