As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABOVE FL 250 KIAS AIRFRAME VIBRATION WITH LOW TONE HUMMING, OCCURS CONTINUOUSLY THROUGHOUT THE FLIGHT DURING CLIMB. N1 (R) AT 1.4 UNITS VIBRATION.(C/W AIRFRAME VIBRATION CONDITIONAL INSPECTION PART 2 77-31-02 FOR ENG 2. LOCKS AND RING SECURE. PERFORMED VISUAL INSPECTION 71-00-00-216, NO DEFECTS NOTED.