, Mitsubishi safety investigator , said discovery of the tank would help investigators determine whether stress cracks , repairs made after a 1981 accident or a collision with an object during flight caused the tank to separate from the wing.Mitsubishi
will send a service bulletin to about 450 Solitaire owners soon , asking them to check for stress cracks on fittings connecting the wing tanks , Sorrells
said.In a 1981 crash of Fambrough's plane in Flagstaff , Ariz. , its wing and frame were damaged , Sorrells
said.The plane was repaired despite Mitsubishi's recommendation that it be sold for scrap , Sorrells
said.The tank is 13 feet long , 21/2 feet in diameter and weighs about 70 pounds.If found , it should not be moved.