Modification to add reinforcing straps to the lower spar cap between wing stations 38.00 left and right. Models 500, 500A, 500B, 520, 560, 560A, 560E, 560F, 680, 680E, 680F, 680FL, 680F(P), 680FL(P), 720, RL26C, RL26D.
Modification to add reinforcing straps to the lower spar cap between wing stations 38.00 left and right. Models 500, 500A, 500B, 520, 560, 560A, 560E, 560F, 680, 680E, 680F, 680FL, 680F(P), 680FL(P), 720, RL26C, RL26D.
