Squawk Box

September 2009 Issue

Twin And Turbine Troubles

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

Selecting the landing gear "down" produced an unsafe nose gear indication. Manual gear extension proved unsuccessful. The nose landing gear collapsed upon landing. Inspection revealed the nose landing gear linkage adjusting fork (p/n 5045211-2) had fractured, preventing extension of the nose landing gear to a down and locked position. Evidence suggests this fracture was progressive in nature, and some degradation to the component’s structure existed prior to failure.

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