47-07-05 FAIRCHILD: (Was Mandatory Note 7 of AD-724-2.) Applies to M-62 Series Aircraft.
Compliance required at next periodic inspection.
In order to eliminate the possibility of foreign objects entering the torque tube, install a boot at the point where the elevator control enters the torque tube in the front cockpit, and where the control stick enters the torque tube bracket in the rear cockpit. Also install cover plates on the sides of the torque tube bracket in the rear cockpit.
(Fairchild Service Bulletin 44-62-5 dated October 10, 1944, covers this same subject.)