What was found
ELEVATOR TRIM CABLE FAILED IN FLIGHT WITH NO INCIDENT AT STATION 216. CABLE BROKE AT THE ELEVATOR TRIM SERVO (SERVO: PN 1C4696456). TRIM SERVO HAD BEEN REPLACED ON YEAR PRIOR WITH NO NOTED DEFECTS TO THE TRIM CABLE AT THAT TIME. STC SA1454SW EDO AIRE MITCHELL FLIGHT DIRECTOR AUTO-PILOT SYSTEM WAS INSTALLED APRIL 3, 1972. TIME ON FAILED PART IS 10,034.1 HOURS. SUSPECT CABLE HAD INTERNAL FAILURE OF STRANDS UNABLE TO SEE WHEN INSTALLED ON SERVO. (SW15200304640)