What was found
CREW REPORTED BURNING SMELL IN COCKPIT JUST PRIOR TO PUSH BACK. REPLACED NR 1 AIR CYCLE MACHINE (ACM) IAW AMM. AC RETURNED TO SERVICE. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTED BURNING SMELL IN COCKPIT JUST PRIOR TO PUSH BACK. REPLACED NR 1 AIR CYCLE MACHINE (ACM) IAW AMM. AC RETURNED TO SERVICE. (K)