As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERY POWER SUPPLY NR 2 BATTERY PACK FOUND CRACKED. REMOVED AND REPLACED NR 2 BATTERY POWER SUPPLY AND CHASSIS ASSEMBLY IAW AMM 33-50-04, EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK SATISFACTORY IAW AMM 33-50-00. EMERGENCY LIGHTING BATTERY P/N 2013-1A S/N 103127