What was found
NR 3 L/E SLAT/UPPER SKIN / OSS 170 - 190 DENT REPAIR. AT SHOP VISIT, THE UPPER SKIN WAS FOUND WITH A LARGE DENT. UPPER SKIN CUTOUT RESULTED IN APPROX 20 X 20 CUTOUT. INCLUDING THE UPPER SKIN AFT OF THE NOSE BEAM AND THE L/E SKIN FWD OF THE NOSE BEAM. EXTENERAL REPAIR INSTALLED USING SOLID FASTENERS AFT OF NOSE BEAM AND BLIND FASTENERS. INSTALLED FWD OF NOSE BEAM IN INACCESSIBLE AREAS.