As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CRACK DEVELOPED IN FUEL MANIFOLD WHILE APU OPERATING. FUEL COLLECTED IN TAIL CONE AND FIRE STARTED. IGNITION SOURCE UNKNOWN. APU EXTINGUISHER FIRED AND APU SHUT DOWN. PORTABLE EXTINGUISHER ALSO USED. SUNDSTRAND OPTIONAL SB T-62T-49-113 INSTALLS A FATIGUE RESISTANT FUEL MANIFOLD.