As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEVERAL DAYS AFTER A ENGINE COMPRESSOR WASH WAS COMPLETED, IN WHICH THE MM PROCEDURES WERE FOLLOWED FOR ENGINE RUNS AFTER A COMPRESSOR WASH THE ACFT DEPARTED AND AFTER SWITCHING FROM APU BLEED AIR TO ENGINE BLEED AIR THE CABIN FILLED WITH SMOKE FROM RESIDUAL COMPRESSOR WASH SOLUTION.