What was found
AIRCRAFT LOST POWER AND COLLIDED WITH GROUND OBSTRUCTIONS FOLLOWING A FORCED LANDING OFF-FIELD. SUBSEQUENT INVESTIGATION REVEALED A BROKEN MIXTURE CABLE. AD-85-03-01 IS A ONE-TIME AD WHICH APPLIES TO THIS AIRCRAFT. THE AD INCORPORATED SE69-16. THE AIRCRAFT RECORDS REVEALED THE ONE-TIME AD HAD BEEN C/W. THE PART HAD BEEN INSTALLED 99 HRS PRIOR AT THE LAST ANNUAL INSPECTION. SUBSEQUENT INVESTIGATION REVEALED THIS CABLE WAS INSTALLED INCORRECTLY AND NOT IAW WITH SE69-16 CAUSING EXCESS FLEXING OF THE INNER CONTROL CABLE. (X)