As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAILED TO START. APU WILL REACH 33 PERCENT AND OVER 700 EGT. FOUND STARTER CLUTCH FAILURE. INSPECTED MAG. PLUGS AND REPLACED LUBE PRESSURE AND SCAVENGE FILTERS, NO METAL NOTED. REPLACED STARTER CLUTCH. REPLACED STARTER. OPS AND LEAK CHECK'S OK.