As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL EMERGENCY EXIT LIGHTS CONNECTED TO BATTERY PACK M1675 ARE INOP. / [01] REMOVED AND REPLACED BATTERY PACK AND TEST GOOD IAW AMM 33-51-06-960-805.;[02] REMOVED AND REPLACED BATTERY PACK M1675 AND TEST GOOD IAW AMM 33-51-06-960-805.;[03] CERTIFIED ALL WORK AND GOOD INSTALL TEST AS PER AMM 33-51-06-960-805;[04] VERIFIED CORRECTIVE ACTIONS STEP 2.