What was found
AFT #2 MAIN TANK BOOST PUMP INOP. FAILED @ FL340 30 MINUTES INTO FLIGHT. GROUNDED - YES. ON INITIAL TROUBLESHOOTING, FOUND GFI RELAY NOT TRIPPED. ACCOMPLISHED FIM TASK 28-22 TASK 816 "NO 2 TANK AFT BOOST PUMP CIRCUIT BREAKER OPEN-FAULT ISOLATION". ON FUEL TANK RT FOUND AFT BOOST PUMP CONNECTOR LOOSE. EXAMINED CONNECTOR AND BOOST PUMP PINS, FOUND NO DAMAGE AND ALL WIRING SECURE. RECONNECTED CONNECTOR AND OPS CHECKED #2 AFT FUEL BOOST PUMP. GROUND VERIFICATION SUCCESSFUL, A/C RELEASED FOR SERVICE.