As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR TO SIDEWALL SUPPORT AT FCB BS400 - BS420 RBL22 WL156.<[01] REMOVED CORROSION L=1.0 W=1.0 D=.002 MATERIAL REMAINING .038' MATERIAL ORIGINAL THICKNESS .040' FOUND TO BE WITHING LIMITS PER SRM 53-00-53-1A-2;[02] VERIFIED MEASUREMENTS TABLE