As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5271 - TPA-PNS - AIRCRAFT WAS ON APPROACH TO PNS WHEN THE CREW SMELLED AND SAW A SMALL AMOUNT OF SMOKE COMING FROM BEHIND THE CAPT'S INSTRUMENT PANEL. MAINTENANCE DISCOVERED THAT THE CAPT'S PUSH TO CANCEL BUTTON HAD SHORTED OUT. ITEM WAS DEFERRED PER MEL 31-50-3 AND AIRCRAFT WAS RETURNED TO SERVICE. IN SUBSEQUENT MAINTENANCE, THE CAPT'S PUSH TO CANCEL SWITCH WAS REMOVED AND REPLACED. (M)