Squawk Box

July 2005 Issue

Squawk Box: 07/05

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

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Aeronca 7 AC
Cracked Wing Ribs

The submitter describes finding a crack in both the left and right wing’s number one rib located inboard of the ailerons. These ribs were “...cracked along the radius of the attach tab where the rib is secured to the aft spar. This aircraft was subjected to years of prevailing winds quartering against the trailing edge of the left aileron. No gust locks were utilized. The ribs were repaired and wings recovered. The owner has erected a more suitable shelter.” Part Total Time: unknown.

Aeronca;11 CC
Cracked Rear...

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