As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#39, FLL-SJO. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL) 'STRONG AIRCRAFT VIBRATION IN FLIGHT. OVERWEIGHT LANDING PERFORMED 1500,000 <200 FPM.' ACCOMPLISHED FLIGHT CONTROLS REPLACEMENT OF LH AND RH ELEVATOR ATTACH HARDWARE AND FITTINGS I.A.W EC NO. A5515127-01 AND ACCOMPLISHED FLIGHT CONTROLS OF RUDDER ASSEMBLY ATTACH HARDWARE AND FITTINGS-HINGE ARM REPLACEMENT IAW EC NO.A5515155-.01.