Center section inter ribs (C/S Inter Ribs C.05 sheet). Glue plywood on CML03 and CMR04 with System Three T-88. Layout of lightening holes for center section inter-rib middle walkway ribs CMR01, CMR02, CMR03.
Inter rib CMR01 first hole cut
CMR01 Inter rib first side of large hole cut
CMR01 inter rib small holes taped then cut second side
