Incident Summary
A pilot experienced a loss of directional control while attempting to land at a private airstrip. During the landing roll, the pilot reported that the right brake locked when applied and would not release. In response, the pilot applied the left brake, which caused the aircraft to nose over.
Pilot Account
According to the pilot, the right brake locked upon application of the heel brakes and remained engaged despite attempts to release it. To counteract the resulting directional deviation, the pilot applied the left brake, which led to the aircraft pitching forward onto its nose.
Examination Findings
Post-incident examination of the airplane did not reveal any malfunction in the brake system. However, inspection showed that the tailwheel steering arm and fork assembly were worn beyond acceptable limits. The wear on these components was noted to have affected directional control during the landing roll.
Conclusion
The investigation determined that the brake system functioned normally at the time of the incident. The worn condition of the tailwheel steering arm and fork assembly was identified as a condition that influenced the airplane's ability to maintain directional control on the ground.