Drill off all the rivets required to be removed to fit the doublers and trippler plates. Drill off new double to Fuse rivet holes, debur prime and refit with clecoe's. Drill off the new Channel to side wall skin angle brackets. bebur clean and prime all partsreassemble and rivet into place. Had 3 cherry rivet install failures in the angle attaching the channel to the fuselage side wall.
