What was found
THE EMERGENCY LIGHTS REMAIN ON WHILE IN THE "ARM" POSITION. T/S PER B717 FIM 33-50 AND WDM 33-51, PG 2. L2-788, L2-789, AND L2-740 WERE ON IN FLIGHT. ISOLATED AND REPLACED BATTERY AND POWER SUPPLY ASSEMBLY B5-123, PER B717 AMM 33-51. ALL OPERATIONS ARE NOW NORMAL. CHECKS GOOD PER FIM. (LP #7071572)