What was found
RT GEN OFF. RESET ONCE. FAILED A SECOND TIME. PERFORMED BPCU BITE PER MM 24-11- 00. FOUND MM 24-35002 FOR RIDG PHASE A CURRENT DISAGREE. PERFORMED BPCU BITE PER MM 24-11-00. FOUND R IDG PHASE A CURRENT DISAGREE, MM 24-35002. PERFORMED BPCU BITE PER MM 24-11-00. FOUND R IDG PHASE A CURRENT DISAGREE, MM 24-35002. PERFOMRED BPCU BITE PER MM 24-11-00. FOUND MM 24-35002 "PH A CUR DISAGREE" UNDER R IDG/PFO DPCT. SEE FIM 24-20 T 844 USED FIM 24-20 TASK 844 PART B (REPLACE GCU) REMOVED AND INSTALLED NEW R/H GCU IAW 24-22-02 WITH GEN STILL NOT COMING ONLINE FAILED OPS CHECK. DURING GROUND RUN FOUND WHEN GEN P/BSW IS CYCLED ON ATA 24 MAINT PAGE FREQS COME UP TO 400 THE DROP TO 0. SWAPPED L/H AND R/H ENGINE GCU TO VERIFY NEWLY INSTALLED GCU WASNT BAD FROM STOCK NO HELP. REINSTALLED ALL ORIGINAL GCU'S BACK INTO NORMAL AND REPERFORMED BPCU GROUND TEST IAW 24-22-00 WITH GCU PASSING GROUND TEST AND BPCU PASSING. SUSPECT IDG FAILED. FOLLOWED FIM FOR MESSAGE 24-35002, REMOVED AND REPLACED E2 IDG IAW AMM 24-11-01, LEAK AND OPS CHECK GOOD AT THIS TIME, NO CURRENT MAINTENANCE MESSAGE PRESENT. QC WITNESSED TORQUE OF IDG FEEDER CABLES. VERIFIED INSTALLATION OF NUMBER 2 ENGINE IDG PHASE LEADS PER AMM TASK 24-11-01-404-012-002. I