As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 690, CORROSION ON INTERCOSTAL LOWER FLOOR STRNGER RBL 2.90 BETWEEN LBL STA. 1500-1520 AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: INTERCOSTAL LOWER FLOOR STRNGER RBL 2.90 BETWEEN LBL STA. 1500-1520 AT AFT CARGO COMPARTMENT WAS FABRICATED PER BOEING DWG AND PL: 146N5451, REV: C. AND REPLACED PER B757-200 SRM 51-40-02-0G PAR.4. AND PAR.7. (LP 2889724)