As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. OVERHEAD WHITE LIGHTS CAME ON TO ILLUMINATE PATH TO FORWARD RIGHT OVERWING EXIT IN FLIGHT. ALL OTHER CABIN LIGHTING WAS NORMAL-SMALL OVAL LIGHTS IN FRONT OF AND BEHIND RAFTS ON RIGHT. REPLACED POWER SUPPLY (AALA202010159003) AND BATTERY ASSEMBLY (AALA202010159017) M1671, IAW AMM 33-51-06.