As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE FOUND NR 3 ENG PYLON CRACKED AT HORIZONTAL FIREWALL SPLICE INBD DOUBLE ROW OF RIVETS. REMOVED DAMAGED SECTION OF HORIZONTAL WEB AND REMOVED FWD STIFFENER. FABRICATED REPAIR DOUBLER PER EO NR B747-5410-7771, REPAIRED EO AS STATED.