What was found
DURING ACCOMPLIMENT OF CONFORMITY CHECK, SOME EMERGENCY LIGHTS DOES NOT WORK PROPERLY. PERFORMED POWER SUPPLY BATTERY PACK CAPACITY CHECK IAW AMM 33-51-06-200-801 AND THE BATTERIES HAVE BEEN RE-CHARGED FOR 90 MINUTES. DURING RETEST, IT WAS VERIFIED BATTERIES OF DOORS 1L AND 4L ILUMINATES AND SUDDENLY GOING OFF LESS THAN 2 MINUTES. PERFORMED POWER SUPPLY BATTERY PACK CAPACITY CHECK IIAW AMM 33-51-06-200-801 AND THE BATTERIES HAVE BEEN RE-CHARGED FOR 90 MINUTES. DURING RETEST, IT WAS VERIFIED BATTERIES OF DOORS 1L AND 4L ILUMINATES AND SUDDENLY GOING OFF LESS THAN 2 MINUTES. IT WAS PERFORMED THE TROUBLESHOOTING IN REF WDM: 33-51-34-1 AND 33-51-61-4 AND WERE FOUND THE BATTERY PACKS M33424, M33093 AND M33407 DO NOT KEEPING THE CHAGER. THE BATTERY PACKS M33424 AND M33093 WAS REPLACED IN REF AMM: 33-51-06-960-802. AWAITING ADD EMP:U411929 REPLACEMENT OF M33407. THE BATTERY PACK OF M33407 WAS REPLACED IN REF AMM: 33-51-06-960-802. SYSTEM OKAY.