What was found
DORSAL FIN FWD RIB CRACKED ; / [01] REMOVED DORSAL FIN FWD RIB AS PER B737-700 SRM 5-40-02-0G-0; [02] LOCATED AND DRILLED NEW RIB ASSEMBLY AS PER B737-700 SRM 51-40-05-0G-0; [03] VERIFIED STEP 2. OK TO INSTALL ON DORSAL FUN.; [04] INSTALLED NEW RIB AT DORSAL FIN AS PER B737-700 SRM 51-40-02-0G-0; [05] REMOVED DORSAL FIN FWD RIB AS PER B737-700 SRM 5-40-02-0G-0. LOCATED AND DRILLED NEW RIB ASSEMBLY AS PER B737-700 SRM 51-40-05-0G-0. INSTALLED NEW RIB AT DORSAL FIN AS PER B737-700 SRM 51-40-02-0G-0.; [06] VERIFIED STEPS 4 AND 5.