What was found
DURING SCHEDULE MAINTENANCE, THE BULKHEAD UPPER LEFT AND RIGHT SIDE FORWARD CHORD ANGLES WERE FOUND CRACKED, NR 2 PYLON. STOPPED DRILLED THE CRACK END AND NDT INSPECTED TO ENSURE CRACK CONTAINMENT. INSTALLED ALUMINUM REPAIR ANGLES COMMON TO THE UPPER FORWARD AND AFT LEFT AND RIGHT CHORDS. DETAIL VISUALLY INSPECT THE AFFECTED CHORD AREAS FOR CRACKS, CORROSION AND/OR LOOSE FASTENERS EVERY C-CHECK OR 18 MONTHS, WHICHEVER OCCURS EARLIER.