As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK ON NR 5, NR 9, NR 11 OF LT LONGERON EXTENSION FIG WHEN PFM SB 747-53A2390. RPL WITH NEW LONGERON EXTENTION FIG IAW EI T2018 A53M-5143 REV 1 AND EI T20177A07M-4573 REV1 AND DWG 65B15255 SHEET 2 REV B AND DWG 65B15254 SHEET 3 REV D AND SRM 51-40-04 REV 40. OPS CHECK NORMAL.