What was found
R/H HOR. STAB L/E SKIN WITH RIB CRACKED AT ABOUT LE STA 78 / [01] REMOVED RIB AT R/H HOR. STAB L/E STA 78 AS PER B737-7 SRM 51-40-02-0G-0;[02] LOCATED AND DRILLED HOLES AT NEW RIB AS PER B737-7 SRM 51-40-05-0G-0;[03] VERIFIED STEP 1/2. OK TO TREAT/PRIME;[04] TREATED AND PRIMED HOLES AS PER B737-7 AMM 51-21-41-370-803 AND 51-21-72-370-804;[05] STEP 4 VERIFIED; OK TO INSTALL;[06] INSTALLED RIB AT A R/H HOR. STAB L/E STA 78 AS PER B737-7 SRM 51-40-02-0G-0;[07] VERIFIED STEP 6. TASK COMPLETE.