lded Assembly P/N 11595B40017-1, and installed on reworked nozzle Assembly P/N 1159SB21638-103. Located, fitted and match drilled and installed new Deflector P/N I I59SB40920-19 on APU exhaust nozzle. All maintenance performed IAW Gulfstream GIV APU Modernization-GTCP36-150(G) Intl Drawing No. 1159ASC41465.