What was found
WHILE IN FOR D-CHECK, MAINTENANCE FOUND CORROSION ON SKIN, LONGERON AND TIE CLIP AT FS 660 TO 680 LONG 34L TO 33L. REMOVED FASTENERS SEALANT AND CORROSION PER SRM 51-1-21, 51-1-20D AND 51-1-8. TREATED, PRIMED AND REINSTALLED FASTENERS AND SEALANT PER SRM 51-1-21, 51-1-20D AND 51-1-8.