What was found
LEFT AFT MAIN FLAP LOWER SKIN DISBONDED & DEPARTED AIRCRAFT. ON ARRIVAL, WALKAROUND FOUND LT INBD TRAILING EDGE MAIN FLAP LOWER AFT SKIN DISBONDED & DEPARTED ACFT. DAMAGED TO ALUMINUM HONEYCOMB STRUCTURE. PERFORMED T/E FLAP SYS DEACTIVATION AND ELOTO IAW AMM 27-51-00-040-801.. REF L/P 3009093 AND 3009202 FOR DISCREPANCIES. REMOVED LT INBD FLAP INBD CARRIAGE ASSY IAW AMM 27-51-13-000-803. INSTALLED IAW AMM 27-51-13-400-803. RIG & OPS CHKD GOOD IAW AMM 27-51-11.