What was found
DURING STRINGER REPAIR AT FS 550 AND STR 26L EXISTING HOLE LOCATED IN STRINGER ONLY WAS DRILLED THRU FUSELAGE SKIN. THE HOLE THRU THE SKIN IS BETWEEN 2 MANUFACTURING SKIN FALLING ON THE EDGE OF THE FWD SKIN LEAVING NO EDGE DISTANCE. FABRICATED REPAIR DOUBLER AND FILLER FOR SKIN DOUBLER STA 550 STR 26L REF P-F SRM 53-30-2 PG 6-8 FIG 1A. TREATED, PRIMED AND INSTALLED REPAIR DOUBLER, FILLER REF SRM 51-10-6 PG 1-7, 53-30-2 FIG 1A 53-30-2 PG 2. THIS IS CLASSIFIED AS A MINOR REPAIR. CAT "B" REPAIR. SEE SRM 53-30-3 P7 TABLE III FOR INSPECTION REQUIREMENTS.