What was found
FUSELAGE EXTERNAL SKIN HAS A CORROSION AT 1089 BETWEEN STR 18LH- STR 21LH ; / [01] REMOVED PAINT AT DISCREPANCY AREA PER REF AMM 51-21-11; [02] REMOVED CORROSION AT DISCREPANCY AREA PER REF SRM 51-10-02-0G-004] ET INSPECTED BLEND/HOLES/COUNTERSINKS IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23; PROCEDURE 16 AND PART 6 53-30-00 PROCEDURE 3; NO CRACKS NOTED.<BR>CAL ID IS000450 N500D<BR>UT INSPECTED BLEND IAW 737 NDTM PART 4 51-00-00 PROCEDURE 2; LOWEST THICKNESS = 0.075'<BR>CAL ID ATS2031 E650; [05] VERIFIED BLEND OUT L=2.5'' W=1.5'' ORIGINAL MATERIAL THICKNESS IS .080'' AND REMAINING THICKNESS IS .075''. THE MATERIAL REMOVAL IS LOCATED IN A 2ND ROW OF A 2-ROW BUTT. THEREFORE FOUND TO BE OUT LIMITS PER REF SRM 53-00-01-1A-1 FIG.103 DETAIL E.; [06] VERIFIED DIMENSIONS FOUND TO OUT OF LIMITS PER SRM 53-00-01-1A-1 FIG.103 DETAIL E.; [07] REMOVED 2EA EXTRA FASTENERS (TOTAL 4EA FASTENERS REMOVED) AT BLEND AREA BELOW STR 17L COMMON TO SHEAR TIE PER SRM 51-40-02; [08] INSTALLED 4 EA FASTENERS AT DISCREPANCY AREA PER EA 21-153-02081-WIP1 AND SRM 51-40-02;