As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R PACK OUTPUTTING 50 DEG C + AIR COULD NOT GET IT TO COOL. GROUNDED - YES. CONFIG CHANGE REVERSED. REMOVED & REPLACED R/H PACK TCV LK & OPS NORMAL REF B737-800 AMM 21-51-10. ACCOMP PACK/ZONE TEMP CONT. BITE CK NO FAULTS FOUND REF AMM 21-61-00. ACFT RELEASED FROM MEL 21-33E C/N# 05067530 REMOVED.