As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - EMERGENCY EXIT FLOOR PROXIMITY LIGHTS WERE FOUND TO BE DIM WHEN ON AT ROW 5 THROUGH 8 AND STAY ON WHEN SWITCHED OFF. REMOVED AND REPLACED EMERGENCY POWER SUPPLY BATTERY 10WLA IAW ATR 42 AMM. OPERATIONALLY CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)