As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TEN MINUTES AFTER TAKEOFF, RIGHT TORQUE DROPPED TO ZERO AND POWER OFF AND APU LIGHT ILLUMINATED ON ANNUNCIATOR PANEL. APU WAS OFF. RETURNED TO SBA. REPLACED RELAY K0397 WITH SERVICEABLE UNIT. RAN AIRCRAFT FOR 45 MINUTES. OPS CHECK GOOD AT THIS TIME.