As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT GENERATOR OFF ILLUMINATED AND LOST POWER DURING TAKEOFF ROLL. PREVIOUS CREW NOTED THAT DRIVE LIGHT ILLUMINATED MOMENTARY BUT EVENTUALLY STAYED OFF. AIRCRAFT RTBL. AT ARRIVAL, LEFT IDG REQUIRED APPROX 80 PUMPS FOR OVERLFOW. REPLACED LT IDG PER AMM, PERFORMED IDLE AND LEAK PER AMM. TEST IS GOOD, AND NO LEAKS NOTED.