Incident Details
A pilot reported that after parking the airplane and shutting down the requisite systems, he proceeded to the back of the airplane to allow passengers to disembark and set the wheel chocks. As he began to open the cabin door, he realized the airplane was rolling backwards. The airplane rolled into the wall of the airport terminal, resulting in substantial damage to the left and right elevators.
Pilot's Report
The pilot stated that there were no mechanical failures or anomalies with the airplane or any of its systems that would have prevented normal operation.
Post-Accident Inspection
According to the manufacturer's pilot operating handbook and the operator, the accident airplane was equipped with a parking brake. After the accident, the operator's maintenance department inspected the parking brake system in accordance with the Beech B200 service manual and found no failures or anomalies.