What was found
L/H HORIZONTAL STABILIZER L/E FAIRING RIB # 3 CRACKED AT END ; / [01] PERFORMED HFEC INSP ON LH HORIZ STAB L/E FAIRING RIB#3 IAW B737 NDT P6 51-00-00 PROC.23; CRACK NOTED MARKED.<BR>TOOL USED : NORTEC 600 B/C 172389 CALDUE: 02-JUL-22; [02] REMOVED CRACK RIB ON L/H HORIZONTAL L/E # 3 PER REF 737 SRM 51-40-02-0G-0; [03] VERIFIED. REMOVAL.; [04] LOCATED AND DRILLED NEW RIB PER REF. 737 SRM 51-40-05-02-0G-0; [05] VERIFIED STEP 4 ; OK TO INSTALL RIB.; [06] INSTALLED NEW RIB AT L/H HORIZONTAL L/E PER REF. 737 SRM 51-40-02-0G-0 AND DRAWING 186A1001; [07] VERIFIED STEP 6; INSTALLATION OF #3 RIB.; [08] REMOVED AND REPLACED CRACK RIB #3 ON L/H HORIZONTAL STAB. L/E PER REF. 737 SRM 51-40-02-0G-0 AND DRAWING 186A1001; [09] VERIFIED ALL STEPS COMPLETED.