What was found
TURN BACK DUE TO ENGINE NR 1 AND ENGINE NR 4 GAP PANELS SEPARATED FROM AIRCRAFT ON TAKE OFF ROLL. INSTALLED NR 1 ENGINE GAP PANEL ISW SRM. REPAIRED NR 4 GAP PANEL PER SRM. REINSTALLED GAP PANEL ON NR 4 ENGINE IAW MM. CHAPTER 5 INSPECTION NOT REQUIRED. ACCOMPLISHED A GENERAL THROUGH VISUAL INSPECTION OF THE FUSELAGE, TAIL, WINGS, GEARS AND ENGINES. NO DISCREPANCIES FOUND.