As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - DURING C-CHECK, FOUND THE NR 2 ENGINE FIREWALL RIGHT SECTION NAC STATION 120 WEB WITH CRACK 3 INCHES LENGTH, WIDTH .006 INCHES. REPLACED THE NR 2 ENGINE FIREWALL RIGHT SECTION NAC STATION 120 WEB P/N 65-53558-8 IAW BOEING SRM 51-10-1 PAGE 5. (M)