Incident Overview
During the landing roll-out, the aircraft began to deviate to the right and subsequently departed the right side of the runway. The aircraft came to rest with the right main landing gear collapsed.
Examination Findings
A post-incident examination determined that the attaching bolts for the right main landing gear had failed. The bolts had been installed in August 1983 in compliance with Airworthiness Directive (AD) 83-05-04. Between installation and the incident, the aircraft had accumulated 2,467 flight hours.
Service Bulletin Status
Piper Service Bulletin (S/B) #673B, dated October 2, 1986, recommended replacing the existing attaching bolts with new, higher-strength bolts. This service bulletin had not been incorporated on the aircraft at the time of the incident.