 During a visit conducted between 1431 and 1436, William Grey, Bishop of Lincoln, found that the abbey did not have enough canons to perform its religious duties, and that some of the abbey's buildings were in need of repair.A visit in 1518 by William Atwater, Bishop of Lincoln, found the discipline at the abbey was "lax", and that the refectory needed to be repaired.In 1521, a canon at the abbey was forced to do penance for heresy.