What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO AUS. CLIMBING OUT OF FL240 AIRSPEED ABOUT 310K. FELT HEAVY VIBRATION NOSE TO TAIL. LEVELED OFF, REDUCED AIRSPEED AND VIBRATION WENT AWAY. AUTOPILOT ON, FLAPS SLATS RETRACTED. NO ENGINE VIBRATION NOTED ON ECAM. THE AIRCRAFT LANDED SAFELY AT AUS WITHOUT FURTHER INCIDENT. ** SUPPLEMENTAL REPORT FOR AALA202303243647: MAINTENANCE FOUND THE THS ACTUATOR UPPER ATTACHMENT GIMBAL SPHERICAL BEARING HAD EXCESSIVE PLAY AND REPLACED THE THS ACTUATOR. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED. ** (CLOSED)