As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORM DEEP-CYCLE EMERGENCY LIGHT BATTERY PACK CAPACITY CHECK F OUND BATTERY M33097 POOR CAPACITY. REPLACED THE CABIN R.H 2 DOOR AREA E MERGENCY POWER BATTERY M33097 AND OPERATIONAL TEST CARRIED OUT, FOUND NORMAL AS PER AMM 33-51-06-960-802 REV 92.