What was found
FOUND CRACK AT THE L/H PICKLE FORK FITTING #6 FASTENER AT S-L18A. VERIFIED WITH HFEC 737 NDT PART 6 51-00-00 PROCEDURE 23. STARTED REMOVE FASTENERS LH FRAME STA 663 IAW B737-700 SRM 51-40-02. REMOVED 663 FRAME SPLICE PLATE FWD OF FRAME, AND REMOVED I/B OF FRAME 663 SPLICE PLATE BETWEEN STR9 & STR11 IAW SRM 51-40 -02-0G-0. REMOVED LH PICKLE FORK IAW SRM 51-40-02-0G-0. ACCOMPLISHED OPEN HOLE HFEC IAW NDT P6 51-00-00 P16. ACCOMPLISHED COUNTERSINK HFEC IAW NDT P6 53-30-00 P3. NO CRACKS NOTED. FRAME SPLICE PLATES REMOVED IN STEP 3 WERE INSTALLED ON FAULT TTG8Q00EPR5W. REPLACED THE LH STA 663.75 FRAME FITTING PER EA 22-153-02729. REPLACED THE LH STA 663.75 FRAME FITTING PER EA 22-153-02729.