What was found
CRACK FOUND AT FASTENER HOLE LOCATION RBL 54.21 AFT STIFFENER COMMON TO RT VAPOR BARRIER LOWER WEB STA 663; CRACK APPROX DEPTH 0.020' > . CRACK FOUND AT FASTENER HOLE LOCATION RBL 54.21 AFT STIFFENER COMMON TO RT VAPOR BARRIER LOWER WEB STA 663 CRACK APPROX DEPTH 0.020' > .<[01] PERFORMED HFEC ROTO AT FASTENER HOLE LOCATION RBL 54.21 AFT STIFFENER COMMON TO RT VAPOR BARRIER LOWER WEB STA 663; IAW NDTM PART 6; 51-00-00 PROCD.16. CRACK CONFIRMED.<BR> [NORTEC 600 ; B/C 166317 ; CALIB.DUE- 10/23].;[02] AFFECTED HOLE E.E.D .443' DIAMETER .210';[03] VERIFIED STEP 1;[04] REAM HOLE AT RBL 54.21 STA 663 RT VAPOR BARRIER AFT STIFFENER. DIAMETERS .221''; .233''; .247''; FINAL DIAMETER .261''. REF SRM 51-40-05-0G-0;[05] PERFORMED HFEC ROTO AT FASTENER HOLE LOCATION RBL 54.21 AFT STIFFENER COMMON TO RT VAPOR BARRIER LOWER WEB STA 663; IAW NDTM PART 6; 51-00-00 PROCD.16. NO CRACKS NOTED AT HOLE SIZE 0.261'.<BR> [NORTEC 600 ; B/C 166317 ; CALIB.DUE- 10/23].;[06] VERIFIED STEP NO 2 AND 4. OK TO INSTALL FREEZE PLUG.;[07] FREEZE PLUG WAS INSTALLED ON CARD: TTG8Q00HXZ2P.;[08] ACCOMPLISHED EA: 23-153-00595.;[09] TASK C/W