As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT, LEFT GEN DROPPED OFF LINE. VOLTS INDICATE ZERO. WOULD NOT RESET. ACFT GROUNDED. CONFIRMED FAULT, NO VOLTS AND FREQS NR 1 ENGINE DRIVEN GENERATOR. NO RESIDUAL VOLTAGE. R & R NR 1 ENGINE IDG REF AMM TASK 24-11-11-400-801. OPS CHECKS NORMAL REF AMM 24-21-00. ALSO ACCOMPLISHED AMM TASK 24-11-11-090-801C3, NO FAULTS NOTED.