What was found
L/H HOR. STAB INSPAR RIB NO. 4 AT (STAB STA 120.30) STIFFENER NO. 2 CRACKED / [01] CUT OUT DAMAGED SECTION ON RIB #4; VERTICAL STIFFENER #2; PER REF. B737 SRM 55-10-09-2R-4 REPAIR 4; FIG. 202; DETAIL 'A'[15] INSTALLED HORIZONTAL STAB. MACHINE IN SPAR RIB STIFFENER REPAIR AT RIB # 4 STIFFENER # 2 ; PER REF 737 SRM 55-10-09-2R-4; AND APPLIED FILLET TO THE REPAIR PARTS PER REF 51-20-05-0G-0;[16] CORRECTION INSTALLED HORIZONTAL STAB. MACHINE IN SPAR RIB STIFFENER REPAIR AT RIB # 4 STIFFENER # 2 ; PER REF 737 SRM 55-10-09-2R-4; AND APPLIED FILLET SEALANT TO THE REPAIR PARTS PER REF 51-20-05-0G-0;[17] VERIFIED STEP 16.;[18] INSTALLED HORIZONTAL STAB. MACHINE IN SPAR RIB STIFFENER REPAIR AT RIB # 4 STIFFENER # 2 ; PER REF 737 SRM 55-10-09-2R-4; AND APPLIED FILLET SEALANT TO THE REPAIR PARTS PER REF 51-20-05-0G-0;[19] VERIFIED STEP 18.