47-51-08 REPUBLIC: Applies to All Model RC-3 Airplanes with Steerable Tailwheels.
Compliance required not later than the next 25-hour inspection.
To preclude the possibility of the steerable tailwheel control cable fouling on the tailwheel quadrant arms, install horns 3 9/16 inches long, fabricated from 0.091 aluminum plate, pointing rearward to arms of quadrant assembly No. 17F42093-1. Drill out stop rivet and attach using AN 441-4-5 rivets. Then attach cable clips over horn and arm with AN 24-11 bolts.
(Republic Service Bulletin No. 17, Supplement No. 2, dated October 16, 1947, also covers this same subject.)