As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 PYLON AFT SPHERICAL BEARING SUPPORT BULKHEAD YN 417.212, HAS A 10 INCH CRACK AT I/B INSIDE RADIUS. CRACK WAS DISCOVERED BY AN INSPECTOR WHILE PERFORMING THE SB 54-74 INSPECTIOIN. THE NR 3 PYLON WAS INSPECTED AND NO CRACKING WAS EVIDENT. CRACK APPEARS TO HAVE ORIGINATED AT ZN 55.692 AND PROPAGATED DOWNWARDS TO ZN 44.705. REMOVED AND REPLACED THE BULKHEAD.