As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GENERATOR PROBLEM. AN EMERGENCY WAS DELCARED, RETURNED TO DEPARTURE AND LANDED. GEN CTRL L1 OFF LIGHT ON ONE RESET IAW CHECKLIST FAILED AGAIN. L1 VFSG TRIPS OFF AND CAUSES LEFT AC BUSS TO LOCK OUT. THE AIRCRAFT WAS GROUNDED. REPLACED THE VARIBLE FREQUENCY STARTER GENERATOR FOR THE LT ENGINE IAW AMM 24-21-09. INSTALLED A NEW TERMINAL AT TS16111 END IAW SWPM 20-30-13. OPS CHECKED GOOD IAW AMM 71-00-00.