What was found
EMERGENCY LIGHTS COME ON WHEN TESTED BUT GO OUT QUICKLY LOCATED AT RIGHT-SIDE BULLNOSE 2 THRU 15, OVERWING EMERGENCY EXIT, ALL THREE INSIDE AND OVERWING OUTSIDE, AND BOTH RT AND LT AFT FUSELAGE. REPLACED BOTH BATTERY PACKS AND CHARGERS P/N D717-01 -100, P/N D717-02-030 PER M/M 33-51-06, OPERATIONAL CHECKS GOOD.