As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSTALLATION OF THE L/H 663 VAPOR BARRIER BULKHEAD REPAIR FOUND CRACKED SEAL RETAINER. / REMOVED SEAL RETAINER FROM VAPOR BARRIER STA 663 L/H IBL15-LBL25 IAW SRM N737NG 51-40-02-0G-02; VERIFIED PN 111A1512V1 IAW B737 DRW 111A1000 REV:F. INSTALLED A NEW SEAL RETAINER & SEAL IAW SRM B737NG 51-40-02-0G-02