What was found
PASSING 20K ON CLIMB OUT, CAPTAINS LOST AIRSPEED & ALT ALSO STBY ATTITUDE INDICATOR FAILED, BOTH EEC'S FAILED, THE UPPER EICAS FAILED, THE FMC'S FROZE, THE MCP FROZE ALL PARTS OF IT & BETWEEN THE OVERHEAD PANEL & THE MCP WERE ABOUT 20 FLASHING LIGHTS ALSO 5 DEG LIT IRS. SHUT OFF LT GEN & EVERYTHING EVENTUALLY CAME BACK STABLE. TURNED ON APU. REPAIRED WIRES IAW SWPM 20-10-13 , PERFORMED CONTINUITY CHECK AND INSULATION , ALL WIRE FROM PLUG D41898P TO D40288J , ALL OK NO DEFAULT FOUND. RAN LEFT ENG PER JRH , ALL INDICATION NORMAL . LEFT GEN CONNECT ON LINE WITH GOOD FREQUENCY AND VOLTAGE . A/C OK FOR SERVICE