What was found
INSPECTION TYPE:C, LT WING NR 4 SLAT OTBD NOSE SKIN RIVET HOLE FOUND CRACKED. LT WING NR 4 SLAT L/B OTBD NOSE SKIN AT OSS641.9 AREA SKIN REPAIRED IAW SRM 57-43-01-22R FIG 201, ORG MATL IS CLAD7075T6-0.063IN, CRK LENGTH 0.244", DAMAGED CUTOUT IS 8.875" X 7.25" THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR WITH CLAD7075T6-0.071 AS REPAIR DOUBLER AND CLAD7075T6- 0.063" AS REPAIR PLATE. REPAIR SIZE IS 10.375" X 12".