What was found
RETURNED TO THE FIELD DUE TO SMOKE IN THE COCKPIT. CAUSE OF INCIDENT WAS A FAILED THRUST DISK & BEARING IN LT ACM. COMPONENT FINDINGS WERE A FAILED THRUST DISK & A FAILED BEARING WHICH ALSO DAMAGED TURBINE & COMPRESSOR SECTIONS. THRUST DISK, BEARING TURBINE ASSY & COMPRESSOR WERE ALL REPLACED & UNIT MADE SERVICEABLE. THIS UNIT INSTALLED ON 06 JUN 2000 & ACCUMULATED A TOTAL OF 15,397 HRS & 5,718 CYCLES PRIOR TO FAILURE. CURRENT MX PROGRAM IS ON CONDITION FOR ACM. A HEALTH CHECK IS PERFORMED ON SYS & TEMP SENSORS CHECKED & CALIBRATED AT 1C. NO CORRECTIVE ACTIONS OR MX PROGRAM CHANGES REQUIRED AT THIS TIME.