What was found
STA 540 AT STR 18R HAS HOLE DRILLED THRU RADIUS OF STRINGER. CUT OUT DAMAGED STRINGER DIM 19.5" LONG FROM STR 18R. FABRICATED NEW STRINGER SECTION FROM BAC1498-141 FROM 7075T6, PO 20041102, DIM 19.5", FABRICATED NEW TOP HAT FROM BAC1498-131, PO 90010803, DIM 13" LONG. LOCATED AND DRILLED HOLES AND STRINGER TIE PN 65-57222-3, PO 20217130. INSTALLED REPAIR PARTS IAW SRM 53-10-3, FIG 1, 51-30-5, 51-30-6, 51-10-2 AND 51-30-2.