As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER 1 ENGINE HIGH VIB FELT IN AIRFRAME OR THROTTLE. LT ENG VERY LOUD ON CLIMB OUT (LT VIB 3.0 RT VIB 1.2). NORMAL AT CRUISE LT VIB 1.5 RT 0.5. MAX VIB ON CLIMBOUT WAS 3.0 NOT 30. SLIGHT VIBRATION FELT ON YOKE IN CLIMB. NORMAL IN CRUISE, VIBS DID FOLLOW THROTTLE MOVEMENT. ALL OTHER ENG PARA'S NORMAL. REF: MM FOR TROUBLESHOOTING. (X.X RANGE 0.0 TO 5.0, ABNORM ABOVE 4.0).