What was found
FOUND DURING D-CHECK, FUEL PIPE ASSY P/N 7751562590 HAS 3 DEEP GOUGES AND COUPLING THREADS HAVE DAMAGE. DRILLED NR 30 HOLE IN CENTER OF 3 GOUGES. FABRICATED PATCH AND WELDED IN PLACE. NDT WELD, NO FLAWS FOUND. PRESSURE TESTED TO 90 PSI, NO LEAKS FOUND. DRESSED THREADS PER EO NR 99-186 WITH APPROVED 8110-3 DATED 10/20/99. (M)