As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
C-CHECK, CORROSION ON TOP SURFACE OF AFT LAV WALL SUPPORT HAT CHANNEL FS 990 LBL 12 - 17. REMOVED AND DAMAGED HAT CHANNEL AND INSTALLED REPAIR IAW 737 SRM 51-30-2, FABRICATED NEW CHANNEL IAW 737 SRM 51-10-3, TREATED AND PRIMED PARTS IAW 737 SRM 51-10-2. MAT''L USED (BAC 1510-335 QQA 200/11E 7075T6.