As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE HARDWARE ATTACHING THE TURBOCHARGER SCAVANGE SUMP TO THE TURBOCHARGER BECAME LOOSE ALLOWING LARGE QUANITY OF OIL TO LEAK FROM THE ENGINE OIL SYSTEM. ONE BOLT WAS MISSING. A FORCED LANDING WAS NECESSARY. THIS ENGINE HAD BEEN DISASSEMBLED, REPAIRED AND REASSEMBLED BY MFG FOR COMPLIANCE WITH AD 2002-19-03, ON 03/17/03 AT 699.6 HOURS. WE RECOMMEND WING PAR NR LW-38HO.25. BOLTS WHICH HAVE DRILLED HEADS AND SECURE WITH LOCKWIRE.(K)