As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT LEFT GENERATOR CONTROL LIGHT OFF ILLUMINATED. DURING RUN UP, MTC MSG 24-31661 DISPLAYED. ACCOMPLISHED FIM 24-21 TASK 811, L IDG FAULTED. REPLACED IDG PER AMM. ACCOMPLISHED OPS AND LEAK CHECK DURING RUN UP PER AMM. ALSO CK'D DISCONNECT FUNCTION RECHECKED OPS DURING RUN UP AFTER RECONNECTING OKAY.