As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1796 CUN-FLL - ARCHING ELECTRICAL ODOR STILL REOCCURRING AFT GALLEY CART AREA. FOUND HEAVY BURNED SMELL IN AFT AVIONICS EQUIPMENT AND DETECTED BURNED ODOR AND EVIDENCE OF COMPONENT OVERHEATING ON QAR UNIT. FOUND QAR WITH HEAVY BURNED SMELL. REMOVED AND REPLACED QAR IAW 31-32-01-04.