Accident · substantial damage
Aug 7, 2012 · Avalon, TXMaintenance personnel’s failure to properly torque the retaining nut and install the cotter pin that secured the helicopter’s tail rotor counterweight bellcrank. Contributing to the accident was the lack of detailed maintenance records that documented previous maintenance actions.
- Damage
- Substantial
- Injuries
- None
- Report
- CEN12LA525
From NTSB records; matched by serial number.Read NTSB report (search CAROL for CEN12LA525)