What was found
EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1670 ARE INOP ; / [01] INSTALLED BATTERY PACK M1670 INTO A KNOWN GOOD BATTERY CHARGER. ALLOWED 90 MINUTES TO CHARGE; BATTERY WOULD NOT CHARGE. RETURNED BATTERY TO ORIGINAL LOCATION. ALL WORK PER AMM 33-51-06-805.; [02] REMOVED AND REPLACED BATTERY PACK M1670 AND PERFORMED GOOD INSTALLATION TEST PER AMM 33-61-06-960-805; [03] UPDATED REMOVED PART INFO.; [04] VERIFIED CORRECTIVE ACTION 1-3