As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4529 - DURING CLIMB-OUT FROM ATL-MGM, THE CREW NOTICED A BURNING ODOR COMING FROM THE LEFT PACK. THE ODOR BEGAN TO DECREASE WITH THE POWER SET TO IDLE DURING DESCENT. THE AIRCRAFT LANDED SAFELY IN MGM. MAINTENANCE REMOVED AND REPLACED THE LEFT COALESCER BAG AND CLEANED OIL OUT OF THE AIR CYCLE MACHINE CANISTER. OPS CEHCKS GOOD. AIRCRAFT OK FOR SERVICE. (M)