What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
On November 29, 2012, about 1955 eastern standard time, martinaire flight 609, a Cessna 208B, N1037N, pilot experienced a burning smell in the cockpit. The pilot stated that #2 avionics bus circuit breaker/switch was warm/hot to the touch. The circuit breaker/switch was turned off and the avionics buss tie switch was turned on. A few minutes later both the #1 and the #2 avionics circuit breaker switches were warm/hot and the burning smell reappeared. The pilot reported "smoke in the cockpit" to klan ATCT, however later admitting that there was not any visible smoke. The pilot pulled the com 1 and com 2 circuit breakers. Klan ATCT was able to communicate via cellular texting for the clearance to land. An emergency was not declared. The aircraft landed at klan without incident. It was later discovered that the #1 potter & brumfield 30 amp circuit breaker/switch had failed "shorted" circuit and the #2 circuit breaker/switch had failed "open" circuit.
As the FAA filed it
ON NOVEMBER 29, 2012, ABOUT 1955 EASTERN STANDARD TIME, MARTINAIRE FLIGHT 609, A CESSNA 208B, N1037N, PILOT EXPERIENCED A BURNING SMELL IN THE COCKPIT. THE PILOT STATED THAT #2 AVIONICS BUS CIRCUIT BREAKER/SWITCH WAS WARM/HOT TO THE TOUCH. THE CIRCUIT BREAKER/SWITCH WAS TURNED OFF AND THE AVIONICS BUSS TIE SWITCH WAS TURNED ON. A FEW MINUTES LATER BOTH THE #1 AND THE #2 AVIONICS CIRCUIT BREAKER SWITCHES WERE WARM/HOT AND THE BURNING SMELL REAPPEARED. THE PILOT REPORTED "SMOKE IN THE COCKPIT" TO KLAN ATCT, HOWEVER LATER ADMITTING THAT THERE WAS NOT ANY VISIBLE SMOKE. THE PILOT PULLED THE COM 1 AND COM 2 CIRCUIT BREAKERS. KLAN ATCT WAS ABLE TO COMMUNICATE VIA CELLULAR TEXTING FOR THE CLEARANCE TO LAND. AN EMERGENCY WAS NOT DECLARED. THE AIRCRAFT LANDED AT KLAN WITHOUT INCIDENT. IT WAS LATER DISCOVERED THAT THE #1 POTTER & BRUMFIELD 30 AMP CIRCUIT BREAKER/SWITCH HAD FAILED "SHORTED" CIRCUIT AND THE #2 CIRCUIT BREAKER/SWITCH HAD FAILED "OPEN" CIRCUIT.
Other reports on N1037N · 2
Matched to the same aircraft by N-number and date.