As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 AC GEN CAUTION LIGHT ILLUMINATED ON TAKEOFF. TAKEOFF WAS ABORTED AT APPROXIMATELY 45 KNOTS. EXCESSIVE BRAKING WAS NOT USED. REMOVED FROM SERVICE. NO CHIP DETECTORS OR FAULT CODES FOUND. REMOVED AND REPLACED #1 AC GECU AND #1 AC GEN. OPS =CHECK GOOD. AC GOOD FOR SERVICE.