What was found
FLT#2260, MAD-BOS. (ETOPS) "AC GEN CLASS 2 MX FAULT ( CLASS II MX MSG - GPCU OR AC GEN ); RESOLVED ON W/O: 1433748 TASKCARD: NR-00001) PERFORMED TROUBLESHOOTING PER TSM 24-22-00-810-832A NO DEFECTS NOTED, WIRING CHKS OK, GVI OK, IDG OIL LEVEL OK. THIS CLEARS MDDR 591444 PLACARD REMOVED MX4 UPDATED GROUND VERIFICATION PE4RFORMED SEE LP 7346243 ITEM 2 A/C OK FOR SVC.