What was found
DURING HEAVY CHECK MAINTENANCE FOUND CFIII, FLOOR STRUCTURE, CENTER SHEAR WEB AT FR87 TO FR88 CORRODED. CENTER SHEAR WEB FLOOR STRUCTURE LOCATED BETWEEN FR87 AND FR88 IN CENTER FUSELAGE III WAS REMOVED AND REPLACED IAW SRM 51-42-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK MAINTENANCE FOUND CFIII, FLOOR STRUCTURE, CENTER SHEAR WEB AT FR87 TO FR88 CORRODED. CENTER SHEAR WEB FLOOR STRUCTURE LOCATED BETWEEN FR87 AND FR88 IN CENTER FUSELAGE III WAS REMOVED AND REPLACED IAW SRM 51-42-01.