As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TROUBLESHOOTING MEL 21-32B, FOUND RT SIDE TEMP CONTROL VALVE INOPERATIVE. ACFT GROUNDED. REMOVED AND INSTALLED NEW RT SIDE TEMP CONTROL VALVE REF AMM 21-51-10. PERFORMED BITENR 2 PZT CONTROLLER IAW AMM 21-51-00. PERFORMED RT PACK GROUND CK. NO LEAKS NOTED. SYS CKS NORMAL.