As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMEROUS SPOTS OF CORROSION ON ENTRY WAY FLOOR SUPPORT UPPER SURFACE BS 1664-1681 INBD OF L4 THRESHOLD. EVALUATED ENTRY WAY FLOOR SUPPORT BS 1664-1681 INBD OF L4 THRESHOLD FOUND 100 PERCENT OUT OF LIMITS IAW SRM 53-00-51. R & R ENTRY WAY FLOOR SUPPORT BS 1664-1681 INBD L4 THRESHOLD, PN 146N5246U5 IAW SRM 51-40-02 AND DWG 146N5230 REV: B AND D.