What was found
RH HORIZONTAL STAB RIB #4; STAB STA 120.30; CRACKED 2ND AND 4TH VERTICAL STIFFENERS.<[01] NDT HFEC INSPECTED SURFACE; 2ND AND 4TH VERTICAL STIFFENERS PER 737 NDTM PART 6; 51-00-00; PROC 23; CRACKS .500' LONG NOTED AT THE LOWER ENDS. EQUIP ID IS000680 DUE 05/24;[02] REMOVED THE DAMAGED PART AT RH HORIZONTAL STABILIZER STA 120.30 RIB 2ND AND 4TH VERTICAL STIFFENER AND INSTALLED REPAIR PARTS IAW SRM 55-10-09-2R-5;[03] 02 - INSPECTED PER [SRM 55-10-09-2R-5-A01102 (REPAIR 5 - HORIZONTAL STABILIZER MACHINED INSPAR RIB LOWER CHORD AND VERTICAL STIFFENER CRACK REPAIR - CAT A REPAIR - PERMANENT)]