As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKEY SMELL OCCURRED AT 3500 FT WHILE ON APPROACH. SMOKE DETECTOR IN LT AFT LAV ACTIVATED, PWR SETTINGS WERE VARING GREATLY DUE TO STRONG GUSTY WINDS. SMELL DISSIPATED ON LAND. RAN ACFT TO T/O PWR AND VARIOUS PWR SETTINGS, NO PROBLEMS NOTED. ACFT OK FOR SVC.