What was found
DURING PUSHBACK, WITH RECALL RIGHT PACK LIGHT ILLUMINATED, COMPLIED WITH QRH AND CONTINUED AT ALTITUDE, RIGHT PACK LIGHT ILLUMINATED AND WOULD NOT RESET WITH TRIP RESET. COMPLIED WITH QRH, RIGHT PACK TEMP WAS OVER 80 C WHEN LIGHT ILLUMINATED. ACFT GROUNDED. REMOVED AND REPLACED THE RIGHT RAM AIR INLET ACTUATOR IAW AMM 21-51-21-400-801 UP TO STEP I. ACTUATOR CHANGED DUE TO FLIGHT FAULTS & PREVIOUS HISTORY. COMPLETED THE INSTALLATION AND ADJUSTMENT OF THE RT RAM AIR INLET ACTUATOR IAW AMM 21-51-21/401. OPS CHECKED GOOD.