As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS INOP AT 7ABC; 8DEF; 9ABC; 12ABC. / [01] PERFORMED T/S FOUND BATTERY PACK POSITION M2335 INOP; AS PER WDM 33-51-12 AND AMM 33-51-06-960-805.;[02] VERIFIED STEP 1;[03] REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACK M2335 AS PER REF AMM 33-51-06-960-805 PERFORMED EMERGENCY LIGHTS TEST FOUND NORMAL;[04] VERIFIED STEP 3