As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R/H PACK AUTO MODE INOP ( PACK TEMPERATURE CONTROL SYSTEMS (-200/-300) , AUTO MODE )(<P>TRANSFERRED TO MEL 21-51-03-01, MDDR# 153268, CAT C. 19SEP2021. PLACARD INSTALLED.</P> / <P>LOG PAGE 1346540: REMOVED AND REPLACED RT TEMP CONTROL VALVE AND OPS CHECKED GOOD IAW AMM 21-51-12. THIS CLEARS MDDR 153268.</P>)