As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPORT TASK EMERGENCY LIGHTS FAIL OPS CHECK, TRANSCRIBED FROM HAECO GSO NR 9288540 REMOVED AND REPLACED CHARGER ASSY AND BATTERY PACKS AND OPS CHECK GOOD IAW BOEING AMM 33-51-06-960-802. REMOVED AND REPLACED ALL CHARGER ASSEMBLIES AND BATTERY PACKS.