As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL ASSOCIATED LIGHTS FOR EMERGENCY BATTERY PACK M1670 IS INOP<[01] AFTER DEEP CYCLE CHARGE FOUND ALL ASSOCIATED LIGHTS FOR EMERGENCY BATTERY PACK M1670 TESTED GOOD IAW AMM 33-51-06-600-802; AMM 33-51-06-610-802 AND WDM 33-51-13 PG.15 SH.2;[02] CORRECTIVE ACTION COMPLETED.