As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3311 - AFTER TAKEOFF FROM DTW, THE RUD PRESS AND RUD FULL PRESS CAUTION LIGHTS ILLUMINATED ABOVE 140 KTS. THE AIRCRAFT RETURN DTW. MAINTENANCE RESET A LOOSE PIN AT TERMINAL BLOCK 2721-FB1. ALL SYSTEMS OPERATED SATISFACTORILY. (M)