As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLE EVENTS OF #1 ENG LEAKING OIL EXCESSIVELY. A TEST FLIGHT EVALUATION FOUND #1 ENG BURNING OIL AT A RATE OF APPROXIMATELY 1 QUART EVERY 35-40 MIN OF FLIGHT TIME. SOOT FOUND ON EXHAUST DUCT/ELONGATOR AND OIL BURNING SMELL WAS PRESENT DURING SHUTDOWN. REMOVED AND REPLACED MODULE 04 ASSY. T/F MOC COMPLETED IAW MSM 05-60-00, 6-12. CHECKS OK.