What was found
LIGHTS ASSOCIATED WITH EMERGENCY BATTERY PACK NR 3 CAME ON, THEN IMMEDIATELY BEGIN TO EXTINGUISH WHEN SELECTED ON REPLACED EMERGENCY BATTERY, PN OFF AD-2013-1A, SN OFF 89255, PN ON 2013-1A, SN ON 103889 IAW AMM 33-51-04. NO FIX. REPLACED CHARGER ASSY, PN OFF/ON 11-0049, SN OFF 19787, S/N ON 10431 IAW AMM 33-51-05. OPS TEST GOOD AT THIS TIME.