As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN CABIN SOURCE UNKNOWN SMOKE CLEARED AFTER PERFORMINGSMOKE AND FUME REMOVAL CHK LIST._HAPPENED AT FL370 DESCENDED TO FL230 ALSO SMOKE ALARM IN MID LAV WENT OFF. FLL MTC WAS SENT TO INVESTIGATE AFTER CONTRACT MTC WAS UNABLE TO DUPLICATE PROBLEM WITH RUNNING ENGS. CREW DID MAKE NOTE SMELL WAS OF OIL NATURE..FLL MTC DISCOVERED NOSE BLEED R ENG THEY ISOLATED BLEED AIR FROM R ENG AND A/C WAS MTC FERRIED TO ATL FOR ENG CHANGE