As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT THE VERY BEGINNING OF THE TAKE OFF ROLL #2 DC GEN CAUTION ILLUMINATED CHECKLIST DID NOT CORRECT ISSUE DC CAUTION REMAINS ILLUMINATED . TAKEOFF ABORTED. REMOVED FROM SERVICE. REMOVED AND REPLACED #2 DC GCU PER Q400 AMM 24-31-06-000-801 AND 24-31-06-400-801. OPS CHECKED SYSTEM PER Q400 AMM 24-31-00-710-802. OPS CHECK GOOD. RETURNED TO SERVICE.