What was found
POST RAYTHEON AIRCRAFT SERVICE BULLETIN 71-3307, ENGINE DRIVEN LOW PRESSURE FUEL PUMP DRAIN MOD. EXPERIENCED A FAILURE OF THE LOW PSI ENGINE DRIVEN FUEL PUMP ON THE NR 1 ENGINE. THE RESULT OF THE DIAPHRAGM RUPTURE WAS TO HAVE FUEL VENTED OUT OF THE NACELLE THROUGH THE MANIFOLD DRAIN. THE FUEL, THAT WAS VENTED OUT, COVERED THE LEFT MAIN LANDING GEAR WHEELS AND BRAKES. SUBMITTER STATES THEY CONSIDER THIS A FIRE HAZARD, AS THE BRAKES WERE STILL SOAKED WITH FUEL WHEN THE AIRCRAFT ARRIVED ON THE RAMP FOR PUMP REPLACEMENT. (M)