What was found
CREW ALERTED OF CARBON MONOXIDE PRESENT FROM G1000 WARNING. SHUTOFF CABIN HEAT AND OPENED WINDOWS. RETURNED TO BLOCK. VISUAL INSPECTION OF ENGINE MUFFLER FOUND CRACKED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW ALERTED OF CARBON MONOXIDE PRESENT FROM G1000 WARNING. SHUTOFF CABIN HEAT AND OPENED WINDOWS. RETURNED TO BLOCK. VISUAL INSPECTION OF ENGINE MUFFLER FOUND CRACKED.