As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FLIGHT ATTENDANT NOTIFIED FLIGHT DECK OF A FAINT ELECTRICAL BURNING SMELL COMING FROM LAVATORY D. AIRCRAFT LANDED SAFELY AT MIA WITHOUT FURTHER INCIDENT. ACCOMPLISHED WORK CARD 09L00021001. NO ODOR NOTED.