As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT GENERATOR SPIKED TO 450 AMPS. CREW RAN CHECKLIST, SWITCHED TO OFF, AMPS DECREASED TO 25 ON RT AND 185 ON LT. AFTER SHUTDOWN WITH ONLY BATTERY ON, RT AMPS INDICATED 120+. RETURNED TO DEPARTURE FOR MAINTENANCE. REPLACED THE CURRENT SENSOR. OPS CHECKED GOOD.