As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A CHECK TASK 23 ON JIC 4-2015 CABIN EMER LIGHTING CHECK FAILED ON THE CIDS PANEL. DISPLAYS EPSU BATTERY EMER RT. CHANGED THE BATTERY CHARGER ASSOCIATED WITH THIS FAULT IAW MM33-51-38. OPERATIONS CHECK IS GOOD. CIDS IS CLEAR OF ALL FAULTS AT THIS TIME.