What was found
WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE CORROSION LH UPPER SHEET AT FR85-86. REMOVED CORROSION ON CF 3 CABIN FLOOR STRUCTURE LH UPPER SHEET AT FR85-86 BY BLENDING. REMOVED 0.008" MATERIAL FROM DAMAGED AREA TO REMOVE DAMAGE. REMAINING MATERIAL MEASURES 0.055" OF AN ORIGINAL THICKNESS OF 0.063". AREA WHERE MATERIAL WAS REMOVED IS "OUT" OF LIMITS OF SRM REF: SRM 51-75-16. LOCATED, DRILLED, AND ALODINED NEW L/H UPPER SHEET AT FR85-86. REF: EMB SRM 51-40-02, SRM 51-23-04 INSTALLED NEW L/H UPPER SHEET AT FR85-86. REF: EMB SRM 51-21-01, SRM 51-40-08. APPLIED SURFACE PROTECTION REF: EMB SRM 51-23-06, CPM 51-25-00.