What was found
DURING HEAVY MAINTENANCE CHECK, IT WAS DISCOVERED THAT THE SHEAR CLIP AT FR 87, STR 27R & 28R WAS CORRODED. REMOVED CORRODED SHEAR CLIP AT FR 87, STR 27R & 28R. REF SRM 51-41-01, 51-41-02. DRILLED, ALODINED AND, INSTALLED NEW SHEAR CLIP AT FR 87, STR 27R-28R, SEALED & TOPCOAT INSTALLED NEW SHEAR CLIP, INSTALLED REF SRM 51-21-02, 51-23-06, 51-23-04, 51-40-02, 51-41-02. AREA OF DAMAGE LOCATED AT FR87 1" FROM STR 28R IN AN AREA 1" X 1" WITH .017 REMOVED FROM ORIGINAL .050. SHEAR CLIP AT FR 87 BETWEEN STR 27R & 28R MARKED. THIS HAS BEEN IDENTIFIED AS A LEVEL 2 CORROSION.