As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BS663 RH VAPOR BARRIER, CRACK IN UPPER CHORD ABOUT THREE (3) INCHES OUTBOARD OF KEEL BEAM. / REPAIRED BS 663 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.