As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU INOP. ON TAKEOFF ROLL FIRE WARNING SOUNDED. CREW ABORTED TAKEOFF AND EMPTIED BOTH FIRE BOTTLES. *S/D* REPLACED APU FIRE BOTTLES, SQUIB, AND YELLOW DISCHARGE DISK. REPLACED FORWARD CLAMP AT LOAD CONTROL VALVE DUE TO EXCESSIVE LEAKAGE. PERFORMED SUCCESSFUL COMPLETION OF APU OPERATIONAL TEST.