As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 885 - GSO - ON INITIAL CLB FLIGHT ATTENDANT NOTICED A VIBRATION THROUGH THE CABIN. AT CRUISE VIBRATION CONTINUES WIHT CAPTAIN ISOLATING PROBLEM TO NR 1 ENGINE. ALL ENGINE READINGS CONTINUED TO BE NORMAL. AIRCRAFT DIVERTED TO GSO. (M)