What was found
REMOVE LEFT HAND HORIZONTAL STABILIZER IN SPAR RIB ASSY #5 FOR ACCESS TO STIFFENER #3 REPAIR. ; REMOVE LEFT HAND HORIZONTAL STAILIZER IN SPAR RI ASSY #5 FOR ACCESS TO STIFFENER #3 REPAIR. / [01] REMOVED L/H HORIZONTAL STAB IN SPAR RIB #5 STIFFENERS #3 IAW B737 SRM 51-40-020G-0.; [02] LATE ENTRY REMOVED PAINT FOR ACCESS TO FASTENER AT UPPER AND LOWER SKIN TO GAIN ACCESS TO REMOVE L/H HORIZONTAL STAB RIB #5 IAW AMM51-21-11-150-801.; [03] VERIFIED STEP 1 AND 2.; [04] OK TO INSTALL #5 RIB.; [05] PARTIALLY INSTALLED L/H # 5 RIB INSTALLED 70% OF FASTENERS IAW SRM 51-40-02-0G-0.