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 (M33118) AT THE DOOR 1 OFCR FOUND LOW CAPACITY . REPLACED THE EMERGENCY LIGHT POWER SUPPLY BATTERY PACK M33118 AT THE DOOR 1 OFCR AND CARRIED OUT INSTALLATION TEST, THE TEST RESULT WAS NORMAL REF AMM 33-29-10-960-810 REV.106.