As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: PERFORMING OPERATIONS TEST OF EMERGENCY LIGHTING SYSTEM AFTER SLIDE REPLACE EMERGENCY POWER SUPPLY UNIT (10WL) FORWARD LEFT MESSAGE FAULTED. ACCOMPLISHED THE OPERATIONS TEST OF EMERGENCY LIGHTING SYSTEM EMERGENCY POWER SUPPLY UNIT TEST OK PER CARD NUMBER 26L00025011.