What was found
DURING HEAVY MAINTENANCE CHECK, CORROSION IN THE AFT CARGO SHEAR TIE AT FRAME 83 AND STRINGERS 28 - 29R. REMOVED AND REPLACED THE SHEAR TIE AND RESTORED SURFACE PROTECTION IAW SRM 5143-04, 51-42-02, 51-41-01, 51-43-04, 51-40-02, 51-23-04, AND 51-23-06.