47-32-01 BELL: (Was Mandatory Note 1 of AD-1H-1.) Applies Only to Model 47B Serial Numbers 2 Through 13.
Compliance required at next 100-hour inspection.
Rework the stabilizer damper frame clamp with a 1/16-inch saw cut, as shown in Bell Service Bulletin No. 47C7, revised June 12, 1947, in order to permit a clamping action which will prevent the loosening of the subject part of the main rotor mast.