As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WHILE PERFORMING TASK CARD 26L0002510 EMERGENCY LIGHT SYSTEM TEST MULTIPLE FAULT MESSAGES FOR EMERGENCY POWER SUPPLY UNIT 10WL WERE NOTED ON THE CIDS PANEL. MAINTENANCE FOUND THE L1 AND R1 DOOR SLIDES TO BE THE CAUSE OF THE FAULTS. REPLACED THE L1 DOOR SLIDE (AALA202206018766) AND THE R1 DOOR SLIDE (AALA202206014181) PER TASK CARD 26L00025010. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.