What was found
AFTER TAKEOFF, WE HEARD A LOUD NOISE COMING FROM THE CABIN. AFTER LANDING WE NOTICED A GAP IN BETWEEN THE MAIN CABIN DOOR FAIRING AND THE BOTTOM OF THE DOOR. AFTER CYCLING THE DOOR A FEW TIMES, ONE OF THE ARMS ON THE FAIRING BROKE OFF FROM ITS ATTACHMENT. REMOVED BROKEN FORWARD AND AFT SPADE DOOR PUSH RODS AND CORRODED FORWARD AND AFT SPADE DOOR PUSH ROD FITTINGS AND INSTALLED NEW CONDITION FORWARD AND AFT SPADE DOOR PUSH RODS AND FITTINGS IAW AMM 52-10-60. PERFORMED SPADE DOOR PUSH ROD RIGGING IAW AMM 52-10-60. PERFORMED OPS AND FUNCTIONAL CHECKS IAW AMM 52-10-00. OPS AND FUNCTIONAL CHECKS GOOD NO DEFECTS NOTED.