What was found
WHILE PERFORMING HFEC ON STIFFENER CUT EDGES FOUND ADDITIONAL CRACK ON WEB AT R/H HORIZ. STAB. RIB#4 STIFFENER 3. ; WHILE PERFORMING HFEC ON STIFFENER CUT EDGES FOUND ADDITIONAL CRACK ON WEB AT RH HORIZ. STAB. RIB#4 STIFFENER 3. / [01] REMOVED ADDITIONAL DAMAGED FROM WEB AT R/H HORIZONTAL STAB #4 RIB #3 STIFFENERS IAW B737 SRM 55-10-09-2R REPAIR#4.; 14] (RII) VERIFIED STEP #10; HEAT TREATED FABRICATED #2 AND #4 REPAIR ANGLES PER EA 21-155-03221 AND BAC 5602.