As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRANSCRIBED FROM HAECO NR 9286539. B757-06-3-0244: AFT CARGO INT ERCOSTAL BETWEEN STA.1360-1380, STRINGER S26R-S27R CORRODED. TRANSCRIBED FROM HAECO NR 9286539.REMOVED CORRODED INTERCOSTAL IAW B757-200 SRM51-40-02. FABRICATED NEW INTERCOSTAL PER BAC DWG 146N3212 REV -.INSTALLED NEW INTERCOSTAL IAW B757-200 SRM 51-40-02 AND PER BAC DRW 146N5390.