What was found
RT HORIZ. STAB RIB ASSY 5 (STAB STA 129.50) 4TH VERT STIFFENER IS CRACKED. ; / [01] CUT AND REMOVED CRACK DAMAGE ON VERTICAL STIFFENER AND RIB WEB IAW SRM 55-10-09-2R-4 REPAIR 4 ITEM 4.B.; [02] VERIFIED DAMAGE WAS REMOVED FROM R/H HORIZ. STAB. RIB ASSY. 5 (4TH VERTICAL STIFFENER) AND INSPECTED PER SRM 55-10-09-2R-4 PARA. 4.E. NO FURTHER DAMAGE FOUND.; [03] REQUEST HFEC INSPECTION OF CUT EDGES OF STIFFENER AND WEB. REQUEST HFEC OF ALL EXISTING FASTENER HOLES WITHIN REPAIR AREA IAW SRM 55-10-09-2R-4 ITEM 4 C & D.; [04] HFEC INSPECTED OPEN HOLES AND CUTOUT IN REPAIR AREA PER 737 NDT PT 6; 51-00-00 PROC 16 AND 23;[06] FABRICATED REPAIR PARTS; T-SECTION 60-5872#7075T76511 0.063'THICK LOT # 1430775-2; ANGLE BAC1490-2793#7075T62 0.063' THICK LOT # 1461745-1 AND SHIM 2.E.A 7075T6#0.016' THICK LOT # 1439717-1 IAW SRM 55-10-09-2R-4 STEP 4.F-J. [12] INSTALLED REPAIR PARTS IAW SRM 55-10-09-2R-4 STEP 4.M-P.; [13] RII INSPECTED GOOD INSTALLATION OF REPAIR PARTS PER SRM 55-10-09-2R-4; OK TO PROCEED.; [14] APPLIED FILLET SEAL AND FINISH TO REPAIR PARTS IAW SRM 55-10-09-2R-4 STEP 4.Q-R.; [15] VERIFIED APPLIED FILLET SEAL AND FINISH TO REPAIR PARTS IAW SRM 55-10-09-2R-4 STEP 4.Q-R.; [16] REMOVED CRACK DAMAGE RIGHT HORIZONTAL STABILIZER STAB RIB STA 129.50 4TH VERTICAL STIFFENER AND INSTALLED REPAIR IAW SRM 55-10-09-2R-4.;