ANALYSIS:EACH OF THE COMPLAINANTS STATED THET THEY HAVE BEEN AWARE OFFIRES IN THESE AMBULANCE VEHICLES BUT ONLY RECENTLY HAVE DISCERNED AREPETITIVE PATTERN.THEY ARE ASSEMBLING DATA FROM EACH OF THE INDEPENDENTRESCUE SQUADS AND HAVE AGREED TO PROMPTLY FORWARD THE INFORMATION TO THISAGENCY.THE NATURE OF THE PROBLEM, USAGE OF THE VEHICLES AND THE SEVERITYOF THE CONSEQUENCES INDICATE A NEED FOR PROMPT ACTION BY THIS AGENCY.STATUS:PREPARING AN IR.PROPOSED ACTION:OPEN A PE AND SEND FORD AN IR.