As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO CRACKS WERE FOUND EMANATING FROM THE OUTBD DRAIN HOLE AT NAC STA 158 IN THE FWD UPPER SPAR WEB ON THE NR1 PYLON. ONE CRACK GREW FWD AND INBD FROM THE HOLE AND THE OTHER AFT AND OUTBD. THE RESULTING CUTOUT IS 1.9 BY 0.25. REPAIRED PER ERA 332558-14.