What was found
AVIONICS BAY, BELOW FLOORBOARD, IN BETWEEN FS 364.0 TO FS 349.0 INTERCOSTAL AT STR 27R, HAS CORROSION AT FLANGE. R & R INTERCOSTAL BETWEEN FS 349.00 AND 364.00, STR 27R IAW SRM. PERFORMED PRESSURIZATION LEAK CHECK IAW SRM. LEAK CHECK GOOD.