What was found
DURING HEAVY CHECK MAINTENANCE FOUND CENTER FUSELAGE III, LH FLOOR SHEAR WEB PANEL CORRODED AT FR87 TO FR88. REPLACED LH FLOOR SHEAR WEB PANEL BETWEEN FR 87-88 WITH NEW IAW SRM 51-42-01 AND 51-42-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK MAINTENANCE FOUND CENTER FUSELAGE III, LH FLOOR SHEAR WEB PANEL CORRODED AT FR87 TO FR88. REPLACED LH FLOOR SHEAR WEB PANEL BETWEEN FR 87-88 WITH NEW IAW SRM 51-42-01 AND 51-42-02.