As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD AISLE OVERWING EXIT EMERGENCY EXIT LIGHT DOES NOT ILLUMINATE BY ROW 21 AND 8 CEILING LIGHTS BATTERY WILL NOT HOLD A CHARGE. *S/D* CLEANED BATTERY CONTACTS. LIGHT WORKS OK WITH OLD BATTERIES, BUT REPLACED BATTERIES AS PRECAUTIONARY.