As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CLASS 1 FAULT ESCAPE SLIDE LEFT AND EMERGENCY POWER SUPPLY UNIT 13WL DISPLAYED DURING SYSTEM TES - MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 13WL * AALA202608109387 * AND THE L4 DOOR ESCAPE SLIDE * AALA202608103901 * PER AMM 25-62-44 - A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED