Jammed And Frayed

The control yoke was binding when turned left approximately 45 degrees. Upon inspecting the aileron control system, a screw was found lodged in a pulley groove and the cable (p/n 106-524044-19) was damaged. The aircraft had flown 2.0 hours since its last annual inspection. The screw appeared to be a floor panel screw.

Key Takeaways:

• Multiple aircraft experienced critical control system malfunctions, including a jammed aileron cable from foreign object debris and frayed cables due to pulley wear.
• Other significant findings included a leaking oil/fuel heater tube, sheared elevator actuator rivets, and cracked engine exhaust components.
• These reports underscore the diverse range of mechanical failures, from wear and corrosion to structural fatigue and foreign object damage, that necessitate vigilant maintenance.

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