As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
M1672 EMERGENCY EXIT LT BATTERY PACK ALL ASSOCIATED LIGHTS INOP AT STA 952 WL 190 RBL 14 / [01] REMOVED AND REPLACED EMERGENCY EXIT LIGHT BATTERY PACK M1672 WITH SERVICEABLE UNIT AND PERFORMED GOOD INSTALLATION TEST PER AMM 33-51-06-960-805;[02] VERIFIED CORRECTIVE ACTION #1