As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT WE DISCOVERED EMER EXIT LIGHT ABOVE SEAT 7 WOULD NOT COME ON. REMOVED FAILED EMER BATTERY CHARGER PACK PN:CBS28-1 SN:2055M, INSTALLED REPAIRED EMER BATTERY CHARGER PACK. PERFORMED OPERATION CHECKS WITH NO DEFECTS NOTED. WORK DONE IN REF TO AMM 33-50-06