As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB OUT, RIGHT PACK LIGHT ILLUMINATED, RAN QRH AND LIGHT EXTINGUISHED CAME ON AGAIN 2 MINUTES LATER WOULD NOT EXTINGUISH. GROUNDED - YES. DIVERSION - FOUND FAULT ON RAM AIR ACTUATOR. REMOVED ACTUATOR REF B737-800 AMM 21-51-21-000-801-INSTALLED RAM AIR ACTUATOR. RH SIDE PER AMM 21-51-21 OPS CHECK GOOD RH PACK LIGHT DID NOT RETURN.