What was found
AS PER CUSTOMER REQUEST - ACCOMPLISH NDT VERIFICATION FOR CRACK AT R/H HORIZONTAL STABILIZER RIB #4; STIFFENER #4 & FWD AND AFT; UPPER AND LOWER CHORDS.<[01] CRACK CONFIRMED AT LOWER SECTION OF STIFFENER #4 OF RIB #4 IAW NDTM PART 6; 51-00-00 PROCEDURE 23. CRACK LENGTH : 0.468'<BR>[NORTEC 600 ; B/C 172389 ; CALIB.DUE- 3/23];[02] PERFORMED HFEC ON R/H HORIZONTAL<BR>STABILIZER RIB #4 ; FWD AND AFT; UPPER AND<BR>LOWER CHORDS; IAW NDTM PART 6; 51-00-00<BR>PROCEDURE 23. NO CRACKS FOUND.;[03] VERIFIED STEPS 1 AND 2