As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATED, RESET WITH TRIP RESET AND LIGHT EXTINGUISHED MOMENTARILY, THEN ILLUMINATE AGAIN, ISOLATED TO SINGLE PACK OPERATION. ACFT GROUNDED. REMOVED AND REPLACED RIGHT RAM AIR INLET ACTUATOR IAW AMM 21-51-21/401. RAM AIR ACTUATOR INSTALLATION TESTED GOOD. BOTH PZTC BITE TESTED GOOD.