RedactedNarrative: Vessel was backing into slip.  Occupant was standing on deck over engine compartment hatch about to tie dock lines when explosion happened under her.  She began to fall into engine compartment but caught herself.  She then jumped into the water.  Operator followed her jumping into water. Fire department was called.
  
  Operator told me he had work done to vessel two weeks prior to incident.
  
  Occupant suffered burns to her legs and arm.
  
  Fire marshal advise they were ruling it accidental and insurance company would be finding exact cause.
  
  fuel ignited by engine system, believed to have started by electrical wiring then moving to the engine.; Victim suffered Burns to legs and left arm.
   