What was found
DURING PREFLIGHT OPENED AFTER EQUIPMENT BAY DOOR, BOILER ROOM AND PILOT WAS DOUSED WITH APPROXIMATELY A HALF A CUP OF FUEL WHICH HAD POOLED ON THE INNER SURFACE OF THE DOOR. SUBSEQUENT INVESTIGATION FOUND THAT FUEL LEAKING FROM APU FUEL METERING UNIT DRAIN PORT IN FUSELAGE, FWD OF THE DOOR IS BEING SUCKED INTO BOILER ROOM THROUGH INADEQUATE SEALING OF THE AFT EQUIPMENT BAY DOOR. AFT EQUIPMENT BAY DOOR SEAL IS ATTACHED WITH AN ADHESIVE THAT IS ADVERSELY AFFECTED BY FUEL AND OR SKYDROL CONTAMINATION.