What was found
MULTPLE SYSTEMS POWERED BY AC BUS 1 FAILED DURING FLIGHT RELATED TO AC BUS 1. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN ARCING. INSPECT #1 ENGINE IDG CABLE CONNECTOR AT PYLON FOR SIGNS OF MAC RELATED WORK ORDER 000000001649277 AND PRTR FOUND ARCING AT PLYLON CONNECTOR PIN B. IDG DEFERRED ON L/P 8276350 BY DEN MX EFS. MAC METER INITIATED FOR WITH VENDOR ID V9233664 FOUND ARCING AT PLYLON CONNECTOR PIN B. IDG DEFERRED ON L/P 8276350 BY DEN MX EFS.