What was found
CRACK WAS FOUND ON THE FRAME HOLES WHICH ATTACH THE BRACKET BETWEEN STRINGER 8L - STRINGER 9L, STATION 480 L=0.1INCH. FABRICATED ANGLES IAW EA 5310-04716 REV F STEP 9 FIG 3, MATERIAL FIG 3. THE SIXED HOLE IAW EA 5310-04716 REV F STEP 9 FIG 3, 7075-TO CLAD AL SHEET. REFABRICATED ANGLES, DONE HFEC INSPECTION, NO CRACK. HEAT TREAT ANGLES IAW EA 5310-04716 REV F STEP 9 FIG 3 & 7075-TO CLAD AL SHEET. VERIFY HEAT TREAT REFABRICATED ANGLES PER INDICATION. REMOVE THE DAMAGE IAW EA5310-04716 REV F STEP 9 FIG 3. LOCATED & DRILLED HOLES ON REPAIR IAW 5310-04716 REV F STEP 9. REINSTALLED REPAIR PARTS, APPLIED CIC AT REWORKED AREA IAW EA 5310-04716 REV F FIG 3.