What was found
RH STAB RIB #5 (STA 129.50) HAS CRACK AT LWR I/B FLANGE BETWEEN STIFFENERS #1 AND #2. / [01] PERFORMED HFEC INSP ON RIB#5 STA 129.50 LOWER INBD FLANGE BETWEEN STIFFENER#1 AND #2 B737 NDT P6 51-00-00 PROC.23; CRACK CONFIRMED MARKED<BR>TOOL USED : NORTEC 600 B/C 172389 CALDUE: 03/23;[09] FABRICATED REPAIR ANGLE AS PER B737-700 SRM 55-10-09-2R-5;[10] VERIFIED STEP 9<BR>OK TO TREAT AND PRIME;[11] TREATED AND PRIMED AS PER B737-700 AMM 51-21-41-701; B737-700 AMM 51-21-72-370-801;[12] OK TO INSTALL ANGLE;[13] INSTALLED REPAIR ANGLE AT RIB#5 STA 129.50 BETWEEN STIFFENER #1 AND #2 LOWER SIDE SRM 55-10-09-2R-5;[14] FABRICATED FILLER MATERIAL USED 7075-T6-.063 SRM 55-10-09-2R-5;[15] VERIFIED STEPS 13 AND 14;[16] CORRECTION TO STEP 10. <BR>RII INSPECTION ACCOMPLISHED BY MANUEL RABASSA<BR>VERIFIED STEP 9<BR>OK TO TREAT AND PRIME ANGLE;[17] CORRECTION TO STEP 12. <BR>RII INSPECTION ACCOMPLISHED BY MANUEL RABASSA<BR>OK TO INSTALL ANGLE;[18] TREATED AND PRIMED AS PER B737-700 AMM 51-21-41-701; B737-700 AMM 51-21-72-370-801;[19] INSTALLED REPAIR ANGLE AT RT. STAB RIB 5 PER SRM 55-10-09-2R-5;[20] INSTALLED REPAIR ANGLE AND FILLER AT RT. STAB RIB 5 PER SRM 55-10-09-2R-5