As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATES ON RECALL. RESETS WITH MASTER CAUTION PRESS. GROUNDED - YES. RIGHT HAND PACK TEMP CONTROL INOP. FOUND R/H PACK TCV FAULT ON #2 PZTC, REPLACED THE R/H PACK TCV, LEAK AND OPS CHECK GOOD REF B737-900 AMM 21-51-10/401.