As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
99-146 - WHEN LEFT ELEVATOR IS DEFLECTED UP IT MAKES A POPPING SOUND AND BOWS OUT THE LWR ACCESS PNL ON STAB FWD OF ELEVATOR. REMOVED AND REPLACED BALANCE PANEL AND IDLER HINGES FOR SHEET METAL. FAB NEW BRACKETS PER BOEING DWG NR 69-22295 AND NR 65-22988.