As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3229 -ATB- DECLARED AN EMERGENCY AND RETURNED TO MSP DUE TO OIL SMELL IN THE CABIN. CORRECTIVE ACTION: FOUND HYDRAULIC LEAK ON BELLY OF AIRCRAFT WITH SIGNS OF APU INGESTION. APU INLET CLEANED. PERFORMED BORESCOPE ON BOTH ENGINES WITH FINDINGS OF OIL IN RIGHT ENGINE COMPRESSOR SECTION. ENGINE CHANGE REQUIRED. (LP: 5529662)