What was found
NR 4 SLAT CRACKED AT ACTUATOR IB RIB. REMOVED NR 4 SLAT TO FOM SHEET METAL REPAIR IAW B727 MM 27-81-11. REMOVED ACCESS PANEL IAW B727 SRM 51-30-2. REMOVED FASTENERS FOR REPAIR AND RIBS IAW B727 SRM 51-30-2. FABRICATED NEW RIBS IB AND OB MAT USED 2024T3 .040 PO NR 9001938 DIM. 15" BY 6" IAW B727 SRM 51-20-1 AND 57-50-2 FIG 2. ALODINED AND PRIMED PARTS IAW B727 SRM 51-10-2. INSTALLED NEW RIBS IAW B727 SRM 51-20-1 AND 57-50-2 FIG 2. OK TO CLOSE ACCESS PANEL. INSTALLED ACCESS PANEL IAW B727 SRM 51-30-2. REINSTALLED NR 4 SLAT IAW B727 MM. VOPS/LEAK CHECK GOOD.