On September 27, 2000, a Piper PA-31-350 (registration N159SW) operated by Western Aviators, Inc. was involved in an aviation accident near Grand Junction, CO. Investigators recorded the probable cause as: A broken right forward inboard landing gear door hinge pin (p/n 46652-2) prevented the landing gear from extending. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An on-demand cargo flight experienced a right main landing gear failure during approach. Despite emergency procedures, the gear would not extend, leading to an intentional gear-up landing. Investigation revealed a broken hinge pin.
Incident Summary
An on-demand cargo flight proceeded uneventfully until the pilot initiated the landing approach. When the landing gear was lowered, the right main landing gear failed to extend and lock. The pilot performed a low pass over the airport, and tower personnel confirmed that the landing gear was not extended.
Emergency Response
The pilot followed the aircraft's emergency procedures in an attempt to extend the landing gear. Despite these efforts, the gear remained retracted. As a result, the pilot executed an intentional gear-up landing.
Postaccident Examination
A postaccident examination of the aircraft revealed that the right forward inboard landing gear door hinge pin (part number 46652-2) had broken. This breakage prevented the landing gear from extending.
Probable cause
A broken right forward inboard landing gear door hinge pin (p/n 46652-2) prevented the landing gear from extending.