What was found
KMIA-MDSD FLIGHT 871 - CREW REPORTED APPROXIMATELY 20 MINUTES INTO CRUISE, NR 1 ENGINE EGT, N1 AND N2 RAPIDLY APPROACHED THEIR LIMITS. ENGINE NR 1 WAS SHUTDOWN PER AOM. ENGINE WINDMILLED FOR 50 MINUTES AND ENGINE OIL PRESSURE AT 25 PSI DURING WINDMILLING. A/C LANDED AT SDQ WITH NO FURTHER INCIDENT. MX INSPECTED NR 1 ENGINE AND EXHAUST, NO DISCREPANCIES FOUND. INSPECTED NR 1 ENGINE FOUND THRUST LEVER LINKAGE AT CROSS SHAFT ASSY UNSECURED. RE-SECURED POWER LEVER LINKAGE AT CROSS SHAFT ASSY IAW MM 71-00-00 & P&W MM 72-60. ACCOMPLISHED ENGINE RUN UP IAW AMJ B-41 WORKCARD AND MM 71-00. ALL ENGINE PARAMETERS NORMAL. A/C WAS RETURNED TO SERVICE..