As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FIRE ON APU START DURING APPROACH. PERFORMED VISUAL INSP AND FOUND A RUPTURED FUEL LINE. FOUND NO STRUCTURAL DAMAGE. VERIFIED FUEL SHUT OFF VALVE IN CLOSED POS AND DEACTIVATED. EVACUATED REMAINING FUEL IN APU. PERFORMED HEAT DAMAGE EVALUATION IAW