What was found
DURING OP 16 MAINT CHECK ON LT WING TE NEED INSTALL RIB ASSEMBLY OTBD OF CENTER, FLAP HINGE ASSEMBLY, AFTER FLAP HINGE BRACKET INSTALLED. REINSTALLED HI-LOCKS IN RIB ASSEMBLY PER SRM 51-30-5, PAGE 12 AND 13, PARAGRAPH 7 A AND B. REINSTALLED RIB PER SRM 51-30-2.