As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 885 - DURING CRUISE, HAD SMOKE AND ELECTRICAL ODOR FROM ENGINEER PANEL. TURNED OFF WINDOW HEAT. FOUND OVERHEAT INDICATION IN MASTER DIM AND TEST BOX, MFG P/N 65B47522-30. REPLACED MASTER DIM AND TEST BOX, CHECKED WINDOW HEAT WIRING. MASTER DIM AND TEST BOX AND WINDOW HEAT OPERATION CHECKED NORMAL. CHECK C - 4-16-96 - MCI. (X)