As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT VAPOR BARRIER IS CRACKED AT KEEL BEAM STA 663 LBL 5'<[01] REPAIRED DAMAGED AREA AT LT VAPOR BARRIER PER B737 SRM 51-70-04-2R-0 PARAGRAPH(4.L.7) MATERIAL USED RESIN EY3804 PO#2011230 FIBER GLASS PO#1690463 AND PERFORMED TAP TEST ON REPAIR AREA NO DELAMINATION FOUND PER B737 SRM 51-70-04-2R-0 PARAGRAPH (4.O.1) TOOL USED B/C167796;VACUUM ID 173238 CAL:24-FEB-23 DUE:24-FED-24;[02] RII...VERIFIED CORRECTIVE ACTION.