What was found
DURING HEAVY CHECK, AFT WET AREA FRAME 90 HAS CORROSION AT THE CENTER SPLICE AFT. BLENDED THE DAMAGE AND FOUND OUT OF LIMITS IAW SRM 51-75-16. REMOVED THE SPLICE IAW SRM 51-43-03, FABRICATED A NEW SPLICE IAW SRM 51-43-03, AND 51-23-04. INSTALLED IAW SRM 51-43-03 .