As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO FIELD AFTER TAKE OFF DUE TO THE NR 1 GENERATOR WENT INOPERATIVE. RESET UNSUCCESSFUL. PERFORMED TSM 24-26-00-810-868-A. R & R THE NR 1 GCU IAW 24-22-34. R & R THE NR 1 IDG IAW AMM 24-21-51. PERFORMED ENGINE RUNS. NO FAULTS NOTED.