Squawk Box

October 2001 Issue

Strut Protection

Spring steel landing gear struts need care to handle abuse

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts.


The NTSB has recommended that initial and repetitive non-destructive inspections be accomplished on main landing gear spring struts of Cessna tailwheel airplanes.

These recommendations stem from an investigation of an accident in which the main gear spring failed at the upper axle attachment to the spring strut. This particular spring strut underwent major repair for previous damage prior to this accident.

FAA Service Difficulty Reports indicate that failures can occur in the gear spring struts at the axle attachment. Generally, such failures occur from corr...

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