What was found
LEFT INBD T/E FLAP OTBD CARRIAGE TO AFT FLAP SPAR ATTACH BOLTS 1 MISSING & 1 LOOSE. REPLACED BOTH BOLTS. 1) EXTEND & DEACTIVATE THE IB TE FLAPS PER AMM. 2) ACCESS THE LH IB FLAP OB HINGE FTG ASSY. 3) REMOVE & RETAIN THE OB UPPER FWD FASTENERS. 4) PERFORM AN OPEN HOLE HFEC INSP FOR CRACKS PER BOEING NDT MANUAL. 5) IF CRACK IS FOUND, CONTACT ENGINEERING. 6) IF NO CRACK IS FOUND, RE-INSTALL FASTENERS PER BOEING DRAWING 113T2301, SHEET 2. 7) REPEAT STEPS 3 THROUGH 6 FOR THE IB UPPER FWD FASTENERS. 8) RETURN ACFT TO SERVICEABLE CONDITION. INSTALLED REMOVED BOLTS AND PANELS. RETURNED ACFT TO SERVICABLE CONDITION.