As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE PROP VIBRATION ENROUTE. DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. PERFORMED PROPELLER BALANCE ON NR 1 ENGINE IAW 6611001. INITIAL IPS SHOWED .317. APPLIED SOLUTION. PROJECTED IPS ARE .006. WEIGHTS APPLIED AT HOLES 11(30G), 12(50G), 13(50G), 14(50G). PERFORMED INSPECTION FOR EXCESSIVE OR UNUSUAL VIBRATION IAW AMM 05-50-12-200-801. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.