As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO COMPARTMENT BETWEEN STA 480 TO STA 500, L 21 STRINGER, LONGITUDINAL LAP SPLICE IS CRACK SEE DOT (103-43). REF AAR N/R 9216662. REMOVED AND REPLACED INTERCOSTAL (143A7550-11) AT FORM ATTACHED OP-84 FOR ACCOMPLISHMENT OF HEAT FWD CARGO COMPARTMENT STA 480 TO STA 500, S-21L TREATMENT. PER REF SRM 51-40-02-0G-0 AND DWG #143A7550. INTERCOSTAL WAS FABRICATED AND HEAT TREATED,