As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNUSUAL FLUTTERING EXPERIENCED INFLIGHT, REDUCED SPEED, FLUTTER STOPPED. REPLACED LEFT ELEVATOR NR 1-3 PCU BOLTS AND BUSHINGS, NR 2, NR 3 LINKAGE. REPLACED RIGHT PCU LINKAGE AND HARDWARE FOR SYSTEMS 1-3 IAW MM CH 27-33-01. OPERATIONAL CHECK GOOD.