As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING OPS TEST OF EMERGENCY LIGHTS ON P.S CHECK FOUND EMERGENCY LIGHT/EMERGENCY POWER SUPPLY UNIT (10WL) FORWARD LEFT AND EXIT SIGNS/EMERGENCY POWER SUPPLY UNIT (10WL) FORWARD LEFT". REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (10WL) (AALA202404085460) AND EMERGENCY POWER SUPPLY UNIT BATTERY.