(December 2, 2015, 1:24 PM EST) -- BRIDGEPORT, Conn. — Although an expert may not know the cause of an elevator’s malfunction, a Connecticut federal magistrate judge held Nov. 30 that he may testify in a personal injury lawsuit as to what reasonable care is required when an elevator has a recurring yet undiagnosed problem (Deborah Powell v. Schindler Elevator Corp., No. 14-579, D. Conn.; 2015 U.S. Dist. LEXIS 159983)....