As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: L3 DOOR AREA EMERGENCY LIGHTING POWER SUPPLY M33302 BATTERY PACK FAILS OPERATIONAL CHECK. REPLACED BATTERY PACK AND ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-06. SUPPLEMENTAL REPORT FOR AALA202311179788: CORRECTING SECTION 4 PROBLEM DESCRIPTION POWER SUPPLY IDENTIFICATION FROM M33303 TO M33302.