As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIVE MINUTES AFTER TAKE OFF IT WAS FELT SMOKE SMELL FROM AIR CONDITIONING TUBES. AIRCRAFT RETURNED BACK TO BOGOTA. FLIGHT PERFORMED ON EI-CCC. AIRCRAFT WAS LEFT ON GROUND FOR WORKING ON IT AT NIGHT. THE RIGHT PACK AIR CYCLE MACHINE WAS FOUND BINDING. THE AIRCYCLE MACHINE WAS REPLACED IAW AMM. ALSO WERE REPLACED WET SEPARATORS IAW AMM. TEST SATISFACTORY IAW AMM.