As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM SYR AN ODOR WAS EVIDENT COMING FROM THE ENGINE BLEEDS, AIRCRAFT RETURNED TO THE FIELD. MAINTENANCE TROUBLESHOT AND FOUND THE AIR CYCLE MACHINE SEIZED UP. REMOVED AND REPLACED ACM. SYSTEM OPERATIONALLY CHECKED GOOD. A/C RETURNED TO SERVICE. (M)