As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C VIBRATION ABOVE FL 230 330 KTS. DEGRADED CLIMB PERFORMANCE 300-500FPM. REAR VIBRATIONS MORE INTENSE THAN FWD.-PERFORMED TS PER TSM 05-50-00-810-801-A. PERFORMED ELEVATOR FREE PLAY CHECK PER TSM 05-50-00-810-801-A. NO DEFECTS NOTED AT THIS TIME. REF LP 3176379-2 & 3176380-1 & 3176380-2. FOR MX ACTION