As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER WING REAR SPAR L/H VAPOR BARRIER HAS 10" CRACKED O/B OF HYD A SYSTEM RETURN FILTER. APPLIED REPAIR PATCH ON L/H VAPOR BARRIER O/B HYD A SYSTEM RETURN FILTER AT CENTER WING REAR ESFR:1038460 SPAR. CRACK LENGTH 10" AS PER B737-800 SRM 57-10-10-2R-2.