What was found
REPAIR EXTERNAL FUSELAGE SKIN BETWEEN STA 287 – STA 406, STR - 1R/4R, AND STA 266 – STA 348, STR 5R-7R, (SECTION 41). MULTIPLE BLEND OUTS AND LIGHTNING STRIKES WERE FOUND ON EXTERNAL FUSELAGE SKIN BETWEEN STA 287-406 STR 1R-4R AND STA 266 – STA 348, STR 5R-7R, (SECTION 41). THE BLEND OUT A FALL CLOSE TO RIVETED AREA (LESS THAN 2D) AND DOES NOT MEET SRM ALLOWABLE DAMAGE REQUIREMENTS. THESE BLEND OUTS AND LIGHTNING STRIKES ALSO DO NOT MEET SRM REQUIREMENT OF NO REPAIR ZONE PER SRM 53-00-01 FIG 101 ALLOWABLE DAMAGE 2. THE SKIN IS MADE FROM 0.063" 2024-T3 CLAD ALUMINUM CHEM MILLED OR MACHINED TO 0.056" MIN, THE EXISTING BLEND OUTS ARE COMMON TO DIFFERENT THICKNESS AREAS.