As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TROUBLESHOOTING IN THE TAIL COMPARTMENT, THE FUEL LINE SUPPLY HOSE FOR THE GARRETT 30-92 APU STARTED SPRAYING FUEL. THERE WAS ENOUGH FUEL COMING FROM THE LINE THAT THE TECHNICIAN'S CLOTHES WERE SOAKED. THE LINE THAT FAILED WAS A PREMOD 253141B (THIS MOD INTRODUCES AN ALTERNATE HIGH PRESSURE HOSE). SEE HAWKER IPC 49-10-05-05, ITEM 255.