As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LT KEEL CHORD STR 27L WAS FOUND CORRODED AND CRACKED AT STA 727A. THE DAMAGE IS SEVERE ENOUGH THAT THE CHORD WILL HAVE TO BE REPLACED. THIS WILL REQUIRE 5 FRAMES, STA 727B THROUGH STA 807 TO BE CUT TO ALLOW REPLACEMENT OF THE CHORD.