GRETNA, La. - The Fifth Circuit Louisiana Court of Appeal on March 13 reversed a summary judgment ruling in favor of an insurer after determining that genuine issues of factual dispute exist regarding the cause of a sewage backup and bacterial contamination at the insureds' home (Matthew Mason, et al. v. Bankers Insurance Group, No. 11-CA-704, La. App., 5th Cir.; 2012 La. App. LEXIS 320).