As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 9172 - PIT-CLT - EMERGENCY LIGHTING - AFT EMERGENCY POWER SUPPLY UNIT SHOWS EXTERIOR LIGHTS FAULT. CIDS TEST SHOWS EPSU EXTERNAL LOAD LEFT AFT. MAINTENANCE ACCOMPLISHED TSM TASK 33-51-00. REALIGNED PIN IN RIGHT AFT ESCAPE SLIDE CONNECTOR. OPERATIONAL CHECK WAS GOOD PER AIRBUS MAINTENANCE MANUAL 33-51-00-710-006. LEFT AND RIGHT AFT SLIDES ARE RESTORED TO OPERATING CONDITION.