As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: N/A STRONG CHEMICAL SMELL IN CABIN DURING CLIMBOUT THE SMELL SEEMED TO DISSIPATE SOME WHAT DURING FLIGHT. PERFORMED OPERATIONAL CHECK OF AIR CONDITIONING PACKS WITH ENGINES RUNNING & WITH GROUND AIR SOURCE, REF MD11 AMM 21-53-00 & MD11 AMM 36-10-00. OPERATIONS CHECKS NORMAL AT THIS TIME NO DEFECTS NOTED NO CHEMICAL SMELL NOTED AT THIS TIME CAN NOT DUPLICATE.