As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXIT LIGHTS ASSOCIATED WITH M2816 ARE OUT / [01] REMOVED AND REPLACED BATTERY PACK AND PERFORMED A GOOD INSTALLATION TEST ON EMERGENCY LIGHT BATTERY PACK M2816 IAW AMM 33-51-06-960 AND WDM 33-51-12 PG.13 SH.1;[02] CERTIFIED REMOVED AND REPLACED BATTERY PACK AND PERFORMED A GOOD INSTALLATION TEST ON EMERGENCY LIGHT BATTERY PACK M2816 IAW AMM 33-51-06-960 AND WDM 33-51-12 PG.13 SH.1;[03] VERIFIED CORRECTIVE ACTION 1 AND 2;[04] VERIFIED FAULT COMPLETE.