As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 ENG AT CRUISE 37,000 FT, HIGH VIBS INDICATED 2.6-2.8 UNITS. VERIFIED WITH BOTH A AND B PICKUPS. ALSO, FELT SLIGHT AIRFRAME VIB, SWITCHED TO LOW MED HIGH SETTINGS. MED HIGH WERE NORM BUT LOW FREQ PICK UP IND HIGH VIB READINGS. ENG SHUT DOWN ACCOMPLISHED. REPLACED ENGINE.