As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1669. BATTERY GOOD, SUSPECT CHARGER. REMOVED EMERGENCY LIGHT BATTERY CHARGER M1669 AND INSTALLED SERVICEABLE BATTERY CHARGER AND PERFORMED GOOD INSTALLATION TEST IAW AMM 33-51-06-960-806, REPLACED THE LAMP AND PERFORMED GOOD INSTALLATION TEST IAW AMM 33-51-03-960-801. ALL LIGHTS ASSOCIATED WITH BATTERY PACK M1669 NOW FUNCTIONAL.