As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START, RT PACK LIGHT ILLUMINATED WITH MASTER CAUTION TEST AND REMAINED ON, LIGHT EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE TEST ON NR 2 TEMP CONTROLLER IAW MM 21-61-00, COULD NOT DUPLICATE FAULT ON GROUND. DUE TO PREVIOUS RT RAM AIR ACTUATOR FAULT, REPLACED RT RAM AIR ACTUATOR IAW MM 21-51-21. OPS CHECKED GOOD.