As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLP - FLIGHT 2148, THE CREW REPORTED A BURNING ODOR AT THE COFFEEMAKERS. THE AIRCRAFT RETURNED TO SLP WHERE THE COFFEEMAKERS WERE PLACED ON MEL AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. THE AIRCRAFT LANDED AT IAH ON FLIGHT 2148 WHERE MAINTENANCE INSPECTED THE AIRCRAFT AND COULD NOT DUPLICATE THE DISCREPANCY. THE MEL WAS CLEARED, AND THE AIRCRAFT APPROVED FOR RETURN TO SERVICE.