As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE EMERGENCY LIGHT POWER SUPPLY BATTERY PACK(M33301) AT THE DOO R 3L FOUND LOW CAPACITY. REPLACED THE EMERGENCY LIGHT POWER SUPPLY BATTERY PACK(M33301) AT THE DOOR 3L AND CARRIED OUT TEST THE RESULT WAS NORMAL REF AMM 33-51-06-960-802 REV 106.