As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT HAND VAPOR BARRIER AT STA 663 HAS A CRACKED AT APPROXIMATELY LBL 41. CLEANED AREA OF DAMAGE, STOP DRILL CRACK. PERFORMED DRY OUT NO WATER FOUND. REPAIRED DAMAGE CRACK SIZE 8' ON STA 663 LBL 4 AT LT VAPOR BARRIER, AS PER B737-700 SRM 51-70-04-2R-10 REPAIR 10. MATERIAL USED PO NR 1691708 & PO NR 1480720.