What was found
RIGHT GENERATOR OFF LIGHT ANNUNCIATION QRH PROCEDURE CAME BACK ON LINE FOR SHORT TIME. BITE ON BPCU SHOWED UNDER VOLTAGE TRIP AND REPLACED GCU, ON RIGHT GENERATOR SYSTEM. REMOVED AND REPLACED RIGHT GCU. RAN ENGINE AND FOUND VOLTAGE WANDERING. PLACED THE RIGHT IDG AS INOPERATIVE REF MEL MAN 24-01 PER MEL AUTH 6 560DC-A. ENT INTO MIC ACCOMPLISHED MPM PROCEEDING NR 24-01 AND CHECKS OK. REPLACED RIGHT IDG ASSY LEAK CEHCK OPS CHECK NORMAL CLEARED MEL 06-560DC-A CLEARED MIC REMOVED PLACARD. (M)