What was found
DURING HEAVY MAINTENANCE FOUND CENTER SHEAR TIE FRAMES 87-88; LBL 9.5"-RBL 9.5"-CORRODED. REMOVED 3 EA TEMP RIVETS TO REMOVE CORROSION REF SRM 51-42-01. REMOVED CORROSION, MAX MATERIAL LOSS AREA B L=1.5, W=1.5, H=0.002, LOCATION 3" AFT OF FRAME 87, LBL 4.5. NOMINAL THICKNESS IS 0.063. TYPE D, BLEND OUT REF 51-12-01. INSTALLED 3 RIVETS, TREATED, PRIMED AND TOP COATED AREAS REF SRM 51-23-04, 51-23-05, 51-23-06.