As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED AIR ON MAINTENANCE STATUS PAGE BUN OIL SMELL IN COCKPIT DURING FLIGHT,CHECK APU OIL LEAKS IAW 49-90-00 P830 APU TROUBLESHOOTING WAS PERFORMED FOUND OIL LEAK ITEM DEFERRED TO N°17 MEL 49-10-01 CAT C. DURING CHECK APU FOR LEAKS WERE FOUND EVIDENCE OF LEAKS IN AIR/OIL SEPARATOR AND OIL COOLER PENDING CONFIRMATION WITH APU RUNNING. IAW TO AMM 49-11-11 PB 401 COK 16 THE APU WAS REPLACED IN ACCORDANCE WITH AMM 49-00-00-710-010A OPERATIONAL TEST OF THE APU WAS SUCCESFULL.