As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL, AMBER APU LIGHT AND AMBER POWER OFF LIGHT ILLUMINATED AND LEFT TORQUE GAUGE DROPPED TO ZERO. REPLACED RELAYS K129, K149, CB0266 AND WIRE W200-0214-24 WITH SERVICEABLE UNITS. RAN ENGINES. OPS CHECKS GOOD. NO DISCREPANCIES NOTED AT THIS TIME.