What was found
CRACK INSPAR RIB 4 (STAB STA 120.30) FRONT SPAR PLUS 27.5 INCHES AT LT HORIZONTAL STABILIZER ; 2021-575990 / [01] TOOL USED P/N: NORTEC 600D S/N: 2000053402 CAL DUE DATE: 23-APR-22; [02] PERFORMED REPAIR ON INSPAR RIB 4 (STAB STA 120.30) FRONT SPAR PLUS 27.5 INCHES AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-24-4 REPAIR 4 PARAGRAPH 4 FIGURE 202 SEE INDIVIDUAL SIGNOFFS BELOW; [03] CORRECTED STEP 2: PERFORMED REPAIR ON INSPAR RIB 4 (STAB STA 120.30) FRONT SPAR PLUS 27.5 INCHES AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4 PARAGRAPH 4 FIGURE 202 SEE INDIVIDUAL SIGNOFFS BELOW; [04] PERFORMED REPAIR ON INSPAR RIB 4 (STAB STA 120.30) FRONT SPAR PLUS 27.5 INCHES AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4 PARAGRAPH 4 FIGURE 202 SEE INDIVIDUAL SIGNOFFS BELOW. RII