As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT BUFFETING EXPERIENCED IN DESCENT BETWEEN 320 KIAS & 330 KIAS. BUFFETING CONTINUED WITH THE THROTTLES AT IDLE UNTIL WE DECELERATED THROUGH 320 KTS. AIRCRAFT WAS EMPTY, NO PASSENGERS & NO BAGS 4500 LBS FUEL. FLT 4863 ADJUSTED FUEL DOOR AS NEEDED. ALSO ADJUSTED MAIN CABIN DOOR HANDLE IAW AMM.