As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HOT CUP OVERHEAT DUE TO DEFAULT OF TIMER AND SUBSEQUENT MELT-DOWN OF 3 PIN CONNECTIONS W/ACRID FUMES IN COCKPIT AND EXCESSIVE HEAT AROUND OVEN AREA. REPLACED HOT CUP JUG AND PERFORMED OPS TEST OF HOT CUP TIMER AND FOUND NORMAL IAW 25-32-14-2. TIMER OPERATION NORMAL, SEVERAL TIMES UNABLE TO FAULT. A/C OK FOR SERVICE.