HOUSTON, Sept 13 (Reuters) - Royal Dutch Shell Plccut production on the gasoline-producing fluidic catalyticcracking unit (FCCU) by a small amount at its 225,300barrel-per-day (bpd) Norco, Louisiana, refinery after twoboilers failed on Thursday night, sources familiar with plantoperations said on Friday.
Shell began restarting on Friday morning one of the boilersshut on Thursday night, the sources said.(Reporting by Erwin SebaEditing by Chizu Nomiyama)