What was found
DURING HEAVY MAINTENANCE FOUND SHEAR CLIP CORRODED ON FRAME 78 FROM CENTERLINE TO STR 29L. R & R SHEAR CLIP AT FRAME 78 BETWEEN CENTERLINE & STR 29L WITH NEW SHEAR CLIP ON WO H4633, TASK 00375 FOR WORK PERFORMED, PN 170-66351-001, CORROSION L=1.0" X 1.0" X .030 NOMINAL .063" REMAINING .033", 45 PERCENT MATERIAL LOSS. FCBS 53-23-00-002 NO PREVIOUS REPAIRS NOTED. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.