As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AFTER T/O, RECEIVED A FWD LAV SMOKE MSG THAT STAYED ON FOR ABOUT 1 MINUTE. FORWARD F/A AND F/O REPORTED, SMELLED A BURNING SMELL BUT DID NOT SEE VISABLE SMOKE. THE A/C RETURNED TO THE FIELD FOR MAINTENANCE. MAINTENANCE TROUBLESHOT THE SMOKE SMELL TO THE NR 2 PACK. MAINTENANCE PLACED THE NR 2 PACK ON MEL. A/C OK FOR SERVICE.