As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE-N/A, ENCOUNTERED HEAVY AIRCRAFT VIBRATION THROUGH ENTIRE FLIGHT FROM DTW TO PHL. HEAVY LEFT WING WAS CORRECTED BY ROLL INPUT AND RUDDER INPUT. NR 1 ENGINE SEEMED TO HAVE LARGE PART OF PROBLEM. FOUND LOWER BUCKET OF NR 1 ENG T/R FREEWHEELING. THIS WAS CAUSED BY ATTACH LINKS INBOARD AND OUTBOARD BEING SHEARED. ORDERED NEW HARDWARE, LOCKED OUT NR 1 ENG T/R AND VERIFIED T/R BEING STOWED IN FWD THRUST POSITION.