As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT AT FL430 PASSENGERS NOTED A STRONG ODOR OF BURNING RUBBER/HOT OIL. NOTED A HOT/BURNING ODOR FROM THE GALLEY AREA. FOUND APU OIL OVERSERVICED DURING A GOLF CHECK. DRAINED APU OIL TO CORRECT SERVICE LEVEL IAW NJA TC-680-21-120905M. REPLACED ECS COALESCER SOCK IAW AMM 21-21-03 AND 21-50-00. OPS CHECK NORMAL. LEAK CHECKED GOOD.