What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO BNA DUE TO THE FLIGHT CREW REPORTING THAT WHILE CLIMBING THERE WAS A SHARP JOLT FOLLOWED BY SEVERE LONG PERIOD VIBRATION. INITIAL JOLT YAWED AIRPLANE TO THE LEFT ABOUT 5 DEGREES. SEVERE VIBRATION LASTED ABOUT 20-30 SECONDS. FLIGHT ATTENDANTS IMMEDIATELY CALLED AND REPORTED SEVERE ENGINE VIBRATION AND SECURED CARTS AND THEMSELVES. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)