As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS THE LIGHT ON THE AFT COCKPIT BULKHEAD ON THE CAPT'S SIDE HAS OVERHEATED, CREW SMELLED BURNING PLASTIC IN COCKPIT THAT DISSIPATED WHEN THE RIGHT PACK WAS SECURED. ODOR COULD NOT BE DUPLICATED. SUSPECT COCKPIT BULB THAT OVERHEATED. REPLACED COCKPIT BULB.