As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED CABIN FILLS UP WITH SMOKE WITH THE RIGHT PACK ON. SMOKE DUE TO APU OIL INJESTION. REPLACED BOTH COALESCER BAGS PER TASK CARD R0592101 AND REPLACED LEFT THRUST REVERSER ACCUMULATOR LOW PRESSURE SWITCH PIPE ASSY. OPERATED BOTH PACKS AT WARM SETTINGS. NO SMOKE OR SMELL NOTED. AIRCRAFT RETURNED TO SERVICE.