Multiple Piper aircraft models reported critical structural and mechanical failures, including significant corrosion and cracking in firewalls and fuselage doublers.
Several incidents involved critical flight control system malfunctions, such as a failed control yoke shaft during flight and a stabilator control cable failing during AD compliance inspection.
Other reported issues include electrical component failures (e.g., landing gear circuit breaker) and manufacturing defects (e.g., improperly drilled elevator horn), often identified during annual inspections.