What was found
PHX - AIR TURNBACK - 4/9/01 - ON CLIMBOUT NR 1 EGT GAUGE NEEDLE DROPPED TO 0; THE CREW RESET THE NR 1 EGT CIRCUIT BREAKER AND THE NEEDLE DROVE UP TO THE ASSUMED TEMP THEN DROPPED BACK DOWN. THE AIRCRAFT RETURNED TO PHX FOR REPAIR; THIS PROBLEM HAD SOME RECENT HISTORY. MAINTENANCE FOUND DURING TROUBLESHOOTING SOCKETS 17 & 18 ON CONNECTOR D4012J SHORTING TOGETHER; AN ENGINEERING REPAIR WAS ISSUED TO MOVE WIRE V152-9264-24R FROM PIN LOCATION NR 18 TO SPARE PIN POSITION NR 35; THE CONNECTOR HAS BEEN SCHEDULED FOR REPLACEMENT AT THE NEXT C-CHECK. NO FURTHER DISCREPANCIES HAVE BEEN NOTED.