What was found
WHILE ON HEAVY CHECK, FOUND THAT THE LT COCKPIT FLOOR DOUBLER HAD CORROSION AND WAS MISSING SURFACE PROTECTION FROM FR 8 - FR 12.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE ON HEAVY CHECK, FOUND THAT THE LT COCKPIT FLOOR DOUBLER HAD CORROSION AND WAS MISSING SURFACE PROTECTION FROM FR 8 - FR 12.