What was found
DURING PERFORM THE EMERGENCY LIGHT BATTERY PACK CAPACITY CHECK, FIND THAT THE BATTERY PACK M33401 DISCHARGE TIME LESS THAN 15 MINUTES REF NON-ROUTINE NO.9483034 - SPEC NO.B777-33-3-7019. THE BATTERY PACKS ON M33401 REPLACED AS PER AMM 33-52-06-960-802 REV.86,THE BATTERY PACK CAPACITY CHK CARRIED OUT AND THE RESULT WAS NORMAL AS PER AMM 33-51-06-200-801 REV.86. (M33409 BATTERY PACK AND CHARGER REPLACE INFO REF ELB NO.3783388 AND 3783436)