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 M1670 ARE INOPERATIVE. POWER SUPPLY AND BATTERY PACK WAS REPLACED AND A GOOD OPS CHECKED OF ALL ASSOCIATED EMERGENCY LIGHTS WERE PERFORMED IAW AMM 33-51-06-960-803 AND 33-51-06-960-802.