As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE WORKING NRC # D356467 FOUND CRACK IN VAPOR BARRIER AT APPROX. RBL 38; 2' IN LENGTH (VERTICAL) MOD / REPAIRED VAPOR BARRIER AT RBL 38.2' AND RBL 20' IN REF B737-700 SRM 51-70-04-2R PARAGRAPH (4.L.M) MATERIAL USED EY 3804 AB PO # 1608199 ; HCS 2410.030 PO # 1608196