KUALA LUMPUR — A private company said it had found what it believes is wreckage of a plane in the Bay of Bengal that should be investigated as potential debris from missing Malaysia Airlines Flight MH370, but the possibility was dismissed by search coordinators.The Joint Agency Coordination Centre (JACC) managing the multinational search for the missing plane said it continued to believe that the plane came down in the southern Indian Ocean off Australia.The Bay of Bengal is located between India and Myanmar, thousands of miles from the current search area. The wreckage was reported by Australian geophysical survey company GeoResonance.Flight MH370, carrying 227 passengers and 12 crew, went missing in March en route from Kuala Lumpur to Beijing.