As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. EMERGENCY LIGHTS AT ROWS 9 AND 11 AND LOWER AREA LIGHTS AND EXTERNAL OVERWING LIGHTS INOPERATIVE. REMOVED AND REPLACED POWER SUPPLY UNITS 10WL (AALA202009309026), 11WL (AALA202010019010), AND 12WL (AALA202010019011). FOUND A POWER SUPPLY UNIT BAD FROM STOCK (AALA202010029002). REMOVED AND REPLACED POWER SUPPLY UNIT THAT WAS BAD FROM STOCK.