What was found
(CAN) A/C LEVELED OFF AT FL290. CREW ATTEMPTED TO THROTTLE BACK & NOTICED LT POWER LEVER JAMMED AT 95.1 PERCENT N1. QRH / INFLT SHUT-DOWN PERFORMED ON LT ENGINE & A/C DIVERTED. ALL ENGINE PARAMETERS INDICATED NORMAL AT ITS PRESENT POWER SETTING PRIOR TO SHUT-DOWN. UPON ARRIVAL, FOUND STAY BRACE STRUT NOT SECURED & INCURRED LT POWERLEVER JAM. SPRING CLIP THAT CONTAINS STAY BRACE STRUT & SECURING PIN WERE INSPECTED FOR CONDITION, SECURITY & OP. NO ANOMALIES WERE NOTED.STAY BRACE STRUT CORRECTLY POSED & SECURED, OPAL CHECKS PERFORMED & A/C RT-SRV. NO REOCCURRENCE REPORTED TO-DATE.