As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON ORIGINAL STRINGER SPLICE BELOW LAV SERVICE BOX. STRINGER SPLICE BELOW LAV SERVICE BOX FABRICATED IAW 85320873. CORROSION AROUND RIB ANGLE UNDER LAV FLOOR BELOW LAV SERVICE BOX REMOVED AND REPROTECTED AND FOUND WITHIN LIMITS IAW SRM 53-00-16. ANGLE REPLACED AND INSTALLED IAW 51-40-00.