What was found
BS 663; RBL 34; WL 195; .400' CRACK IN CENTER WING BOX UPPER SKIN TO BS 663 BULKHEAD ATTACH ANGLE ON I/B SIDE OF ANGLE DRAIN HOLE; AREA MARKED IN BLACK. DOT 148-001 / [01] CUT AND REMOVED CRACK DAMAGE AT R/H SIDE INBD DRAIN HOLE AT STA 663 IAW SRM 51-10-02-0G-0;[02] VERIFIED STEP 1 COMPLETE<BR><BR>VERIFIED CRACK FREE IAW HFEC B737 NDT P6 51-00-00 P23 TOOL 36303 DUE 13APR22;[03] CUT DAMAGE PER ARM 57-10-10-2R-6 STEP 4A;B;C;[04] INSPECTION CW STEP 3;[05] HFEC IAW B737 NDT P6 51-00-00 P23 TOOL 36303 DUE 13APR22 NO CRACKS NOTED;[06] ''PERFORMED EA 22-157-00638. REF. FAULT TTG8Q00B2KMX '';[07] ''PERFORMED EA 22-157-00638. REF. FAULT TTG8Q00B2KMX <BR>PER WIP 3