As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BS663 LH VAPOR BARRIER; CRACK IN UPPER CHORD ABOUT THREE (3) INCHES OUTBOARD OF KEEL BEAM. / REPAIRED BS 663 L/H VAPOR BARRIER UPPER CHORD IAW 737-800 SRM 57-10-10-2R-5. LEAK CHECKED CENTER FUEL TANK IAW AMM 28-11-00-210-801. NO LEAKS NOTED.