As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TEMP OUTPUT OF RIGHT PACK VARIES AS IF TEMP SENSOR HAD A LOOSE CONNECTION. VARIED BETWEEN 20C AND 0C. OUTPUT SEEMED NORMAL COLD. ACFT GROUNDED. REPLACED THE RT PACK TEMP BULB IAW AMM 21-51-60, AND OPS NORMAL WITH NO FLUCTUATIONS NOTED.