As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3158 -ATB- DURING CLIMB RIGHT ENGINE N2 VIBES STARTED TO RISE. 5.0 WAS HIGHEST OBSERVED. THROTTLE WAS REDUCED TO BRING VIBES DOWN. AIRCRAFT IS RETURNED TO MSP. CORRECTIVE ACTION: PERFORMED VISUAL CHECKS WITH NO FINDINGS. SWAPPED VIBRATION SENSORS AT MCDU TO READ TRF SENSOR, PERFORMED VIBRATION SURVEY WITH NO ABNORMAL INDICATIONS. #1 BEARING VIBRATION SENSOR PLACED ON MEL. (4711912)