Bent, Corroded, Cracked

A pilot reported total loss of elevator control on final approach. Investigation revealed the rear control stick was no longer connected to the elevator push rod. The aft belly pan was removed and a loose bolt and washer were found. The nut was not found. The other rod ends were inspected for safety; the self-locking nut and bolt for the aft interconnect push rod was very loose. The existing hardware was not reinstalled because it was found loose during the inspection. New hardware was installed for each noted discrepancy. The owner was advised to have a factory service center inspect the aircraft, and make repairs according to the maintenance manual and parts book.

Key Takeaways:

• Two aircraft reported critical flight control issues: an Aviat A-1 experienced total elevator control loss due to uncoupled pushrod hardware, and a Beech B60 was found with severely corroded and seized control cables and pulleys from water accumulation in the belly.
• Engine malfunctions included a Lycoming O-320-D36 with erratic RPM and shutdown issues caused by a leaking carburetor float, and an O-360A4M suffering a cylinder head separation that necessitated an emergency dead-stick landing.

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