What was found
#1 SLAT CRACKED ON LOWER NOSE SKIN AT ACTUATOR FITTING I/B 2ND FROM L/E FASTENER HOLE. (MARKED) / [01] NDI HFEC VERIFY CRACK ON #8 SLAT LOWER SKIN AT ACTUATOR FITTING I/B 2ND FROM L/E FASTENER HOLE IAW SRM 51-10-02-0G-2; STEP 5.C.;[02] HFEC INSPECTED AROUND DISCREPANT FASTENER (I/B 2ND FROM L/E) ON #1 SLAT LOWER NOSE SKIN AT ACTUATOR FITTING PER NDTM PART 6; 51-00-00 PROCEDURE 23. VERIFIED CRACK STARTING AT FASTENER HOLE EXISTS AND MARKED END.<BR><BR>CAL ID: ATS2353 S/N: 6000519684 DUE: 01/2023;[03] TRIMMED OUT THE DAMAGE PART OF THE SLAT NOSE SKIN; CUT OUT DIMENSIONS 5;4' X 2;8' IAW SRM 57-42-01-2R-8 FIG 202 ALTERNATIVE 1;[04] HFEC REQUEST AT THE EDGES OF THE CUT OUT AND OPEN HOLES COMMON TO REPAIR AREA TO ENSURE NO OTHER DAMAGE EXIST.;[05] VERIFIED CORRECTIVE ACTION #3;[06] HFEC INSPECTED CUT OUT AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23.<BR>NO CRACKS NOTED.<BR><BR>HFEC INSPECTED OPEN HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16.<BR>NO CRACKS NOTED.<BR><BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS1465 CAL DUE: 01/23<BR>-MINIMITE ID: ATS1411 CAL DUE: 06/22;[07] FABRICATED REPAIR PARTS (1) DOUBLER 7075 T6 CLAD 0.071' LOT# 1478276-1 AND (2) FILLER 7075 T6 CLAD 0.063' LOT# 1375297-3; APPLIED CHEMICAL CONVERSION COATING IAW SRM 57-42-01-2R-8 F ALTERNATIVE 1 OK TO PRIME.[12] INSTALLED REPAIR PARTS AT #1 SLAT LOWER NOSE SKIN AT ACTUATOR FITTING IAW SRM 57-42-01-2R-8 F ALTERNATIVE 1.