What was found
CORROSION NOTED ON AFT PIT FLOOR STRUCTURE INTERCOSTAL WEB BS 1460 - 1480 RT. REMOVED CORRODED INTERCOSTAL. FABRICATED AND INSTALLED INTERCOSTAL 19.375 X 7.5 INCHS FROM 7075-T6 .040 IAW B757 SRM 53-60-04 AND 51-40-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORROSION NOTED ON AFT PIT FLOOR STRUCTURE INTERCOSTAL WEB BS 1460 - 1480 RT. REMOVED CORRODED INTERCOSTAL. FABRICATED AND INSTALLED INTERCOSTAL 19.375 X 7.5 INCHS FROM 7075-T6 .040 IAW B757 SRM 53-60-04 AND 51-40-02.