As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SERVICE CHECK, FOUND AFT OVERWUNG EXIT SIGNS ABOVE DOOR TO BE INOPERATIVE. MAINTENANCE FOUND THE BATTERY CASE CRACKED. INSTALLED NEW BATTERY IAW B717 AMM 33-51-04. REPLACED POWER PACK ASSY PER B717 AMM 33-51-04. OPERATIONAL CHECK WAS GOOD. (LP #0275763)