As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4306 RETURNED TO BOS DUE TO A RIGHT HAND GENERATOR TIE LIGHT FOLLOWED BY ABNORMAL BUSS VOLTAGE PROBLEMS. THE AIRCRAFT RETURNED TO BOS WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT. MAINTENANCE REPLACED THE RIGHT HAND DC POWER PANEL AND BOTH GENERATOR CONTROL UNITS AND RETURNED THE AIRCRAFT TO SERVICE. (M)