As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3410 - AFTER DEPARTURE FROM DTW, THE NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED. THE AIRCRAFT RETURED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED THE NR 1 AC GENERATOR CONTROL UNIT. ALL SYSTEMS OPERATED SATISFACTORILY. (M)