As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT DEEP CYCLE TEST FOUND THE R2, L3, AND R4 DOOR BATTERY PACKS CAPACITY LOW. THE EMERGENCY BATTERY PACKS AND POWER SUPPLIES REPLACED. CARRIED OUT INSTALLATION TEST FOUND NORMAL IAW AMM 33-51-06-960-802, REV 81 AND AMM 33-51-06-960-803, REV 81.