As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ADVANCING POWER DURING A GO AROUND, A BURNING SMELL EMANATED FROM THE VENTS. ADDITIONALLY, A LOUD WHISTLING SOUND WAS HEARD. THE ECS WOULD NOT BLOW COLD. FOUND AIR CYCLE MACHINE TURBINE SEIZED. REPLACED ACM IAW BOMBARDIER CH 350 AMM 21-52-13. AIR CONDITIONING SYSTEM OP CHECKS GOOD IAW 21-52-00. INTERMEDIATE BLEED SYSTEM LEAK CHECKS GOOD IAW 36-11-00. NO BURNING SMELL PRESENT.