As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU INOP. AUTO SHUTSDOWN 10 SECONDS AFTER REACHING 95 PERCENT RPM. APU FAULT LIGHT ON. REFER TO MM-49-61-00, CODE C6. BITE APU BOX FOUND GEN FILTER MESSAGE. REPLACED GEN SCAVENGE FILTER IAW AMM. SERVICED OIL TO FULL. OPS CHECKED NORMAL.