As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 GENERATOR FLUCTUATED BETWEEN 0 AND 60 DURING FLIGHT. A TEST FLIGHT EVALUATION REVEALED #2 STARTER GENERATOR WOULD NOT ENGAGE AND A METALLIC CLICK COULD BE HEARD WHEN ATTEMPTING ENGINE START. VENTING ALSO NOT POSSIBLE. REMOVE AND REPLACED STARTER GENERATOR IAW AMM 24-30-00, 4-2.