As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HAND PACK LIGHT ILLUMINATED ON RECALL EXTINGUISHED WHEN MASTER CAUTION PRESSED. GROUNDED - YES. #2 CONTROLLER BITE TEST REF B737-900 AMM 21-61-00 SHOWS "THIS PACK TCV". ACCOMPLISHED B737-900 FIM 21-62 TASK 831 RIGHT TEMPERATURE CONTROL VALVE FAULT ISOLATION. REMOVED AND REPLACED TEMP CONTROL VALVE (V141) REF AMM 21-51-10, OPS CHECK GOOD.