As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LT ILLUMINATED ON CLIMB OUT, RAN QRH, LT REMAINED ON. GROUNDED - YES. ACCOMPLISHED #2 PZTC BITE AND HAD RAM AIR INLET ACTUATOR HARD FAULT REF B737-900 AMM 21-61-00. REMOVED AND REPLACED R/H RAM AIR INLET ACTUATOR REF AMM 21-51-21-000-801. OPS CHECK GOOD AND #2 PZTC BITE GOOD WITH NO FAULTS FOUND REF AMM 21-61-00. GROUND VERIFICATION SUCCESSFUL.