What was found
UPON REMOVAL OF FWD AFT LAV AFT WALL ATTACH ANGLE, AT BS 300, LOWER HAT SUPPORT HAS IG CORROSION. REMOVED HAT SUPPORT FOUND CORROSION BEYOND LIMTS IAW SRM 53-10-1 MADE REPAIR EXTRUDED PART OUT OF BAC-1510-335 IAW SRM 51-40-4. ALODINED IAE STM 51-10-2, PRIMED IAW MM 51-21-31, INSTALLED REPAIR IAW SRM 51-40-4.