As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT HAS AN AIRFRAME FLUTTER- INCREASE W/SPEED ABOVE 250KTS. SOME INDICATIONS W/ AP AND YD ON OR OFF, NOT NOTICED IN RUDDER OR AILERON FLUTTER APPEARS TO BE IN ELEVATOR. BALANCED LT AND RT ELEVATORS. FOUND ELEVATOR SERVO CABLE TENSIONS LOW. ADJUSTED TENSIONS IAW MM 27-30-00 AND MM CH 52-20-00 TRAVEL CHECK GOOD. OP'S CHECK GOOD.