What was found
BOLT BROKE ON CLAMP SECURING OIL PUMP FILTER ASSEMBLY ON APU. OIL LEAK CAUSED SMOKE IN CABIN. REPLACED CLAMP ASSEMBLY AS PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BOLT BROKE ON CLAMP SECURING OIL PUMP FILTER ASSEMBLY ON APU. OIL LEAK CAUSED SMOKE IN CABIN. REPLACED CLAMP ASSEMBLY AS PER MM.