What was found
VIBRATION IN FLIGHT CONTROLS FELT THROUGH ELEVATOR AND FUSELAGE. REMOVED AND REPLACED LEFT RAM VALVE IAW EMB AMM. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VIBRATION IN FLIGHT CONTROLS FELT THROUGH ELEVATOR AND FUSELAGE. REMOVED AND REPLACED LEFT RAM VALVE IAW EMB AMM. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.