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: FUMES AT ROW 31 AFT, UNABLE TO IDENTIFY SOURCE, SMELLED LIKE BURNING RUBBER. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT PUB. ACCOMPLISHED TSI 0136554 JC 08L00021001. NO ODOR OR SMELL NOTED AT THIS TIME, NO FAULT FOUND.