As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, A MODERATE VIBRATION WAS NOTICED DURING RIGHT TURNS ON WHEEL DEFLECTION OF 10 TO 15 DEGREES. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED NR 12 FLIGHT SPOILER ACTUATOR DUE TO FLUID BYPASSING. OPERATIONAL CHECK OK.