As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS COMMON TO BATTERY PACK M167 ARE INOP. EMERGENCY BATTERY PACK M1673 / [01] REMOVED AND REPLACED M1673 EMERGENCY BATTERY PACK AND PERFORMED GOOD INSTALLATION TEST AS PER AMM TASK 33-51-06-960-805.;[02] VERIFIED CORRECTIVE ACTION 1; TEST GOOD.