As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1853, JFK-PBI. "OILY SMELL IN CKPT THRU 10K ( APU SYSTEM ) PERFORMED PACK # 1 ISOLATION FOR 5 MIN. ODOR DISSAPATED. NO COMMENTS FROM CABIN; INSPECTED AND PERFORMED OPS CHKM OF APU BLEED SYST PER AMM 49-51-00. NO ODOR DETECTED. MDDR CLEARED BMX4 UPDATED MCC ADVISED."