As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHITE SMOKE OBSERVED COMING FROM THE AFT CABIN WALL WITH THE FREON AIR CONDITIONER OPERATING. THE SMOKE APPEARED TO BE COMING FROM THE COAT CLOSET SIDE OF THE LAV AREA. REMOVED THE FREON AIR CONDITIONING AFT EVAPORATOR MODULE AND INSTALLED NEW EVAPORATOR MODULE IAW MM 21-50-00. REMOVED RECEIVER-DRYER ASSY AND INSTALLED NEW RECEIVER-DRYER ASSY IAW MM 21-51-00. LEAK CHECKED AND SERVICED SYS IAW MM 12-10-00. OPS CHECKED SATISFACTORY.