As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR L3 EMERGENCY POWER PACK (M33406) CAPACITY CHECK FOUND CAN''T STAYED EMERGENCY LIGHTS ON FOR 15 MINUTES REF HAECO NR NO.947861 2. REPLACED POWER BAT T PACK AT DOOR L3 (M33406) AND PERFORMED INSTALLATION TEST WAS N ORMAL, PER AMM 33-51-06-960-802 REV.100.