What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The PICprivacy data omitted stated he and his passenger departed hilton head, SC. To his home airport, downtown island Knoxville TN (dkx). The PIC had filed an IFR flight plan and stated they were in the clouds the entire trip. During descent the aircraft crossed over a mountain range from 9000'MSL to 7000', as instructed. The aircraft encountered severe turbulence and pilot stated it happened instantaiously. The aircraft went inverted and his aircraft instruments "tumbled". He recovered but did not remember how. During this recovery, the aircraft was overstressed.
The wings were damaged (wrinkled) and this was confirmed by the FAA.
As the FAA filed it
THE PIC^PRIVACY DATA OMITTED^ STATED HE AND HIS PASSENGER DEPARTED HILTON HEAD, SC. TO HIS HOME AIRPORT, DOWNTOWN ISLAND KNOXVILLE TN (DKX). THE PIC HAD FILED AN IFR FLIGHT PLAN AND STATED THEY WERE IN THE CLOUDS THE ENTIRE TRIP. DURING DESCENT THE AIRCRAFT CROSSED OVER A MOUNTAIN RANGE FROM 9000'MSL TO 7000', AS INSTRUCTED. THE AIRCRAFT ENCOUNTERED SEVERE TURBULENCE AND PILOT STATED IT HAPPENED INSTANTAIOUSLY. THE AIRCRAFT WENT INVERTED AND HIS AIRCRAFT INSTRUMENTS "TUMBLED". HE RECOVERED BUT DID NOT REMEMBER HOW. DURING THIS RECOVERY, THE AIRCRAFT WAS OVERSTRESSED.
THE WINGS WERE DAMAGED (WRINKLED) AND THIS WAS CONFIRMED BY THE FAA.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.