As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT 5370 - CREW REPORTED BOTH BOTTOM EMERGENCY EXIT LIGHTS ON THE FRONT SIGN TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACKS AT POWER SUPPLY UNITS 29WL AND 10WL. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)