Effective for this aircraft and signed by John G. Wilder, FAA Structures DER SO-483. The purpose of this repair is to prevent torsional movement of the Nose Landing Gear Brace Assembly (GAC P/N 1159L40801-5) and the Nose Landing GearDrag Brace Assembly (GAC P/N 1159LM40588- I I) that causes the loosening of the existing bearing (P/