What was found
ON PRESSING RECALL AT EEP. FOR A SYSTEMS CHECK, THE RIGHT PACK AMBER LIGHT ILLUMINATED ON OVERHEAD PER DIRECTION OF QRH. LIGHT EXTINGUISHED ON MASTER CAUTION CLEAR. PER QRH NO FURTHER ACTION REQUIRED. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST FOR RT PACK REF MM 21-61-00. CONTROLLER FAULTED FOR RT PACK TRIM CONTROL VALVE. REPLACED RT PACK TRIM CONTROL VALVE PER AMM 21-51-10-400-801. PERFORMED BITE CHECK 21-61-00-700-806-002 TO CLEAR FAULTS. OPERATED RIGHT PACK NO LEAKS AT VALVE NOTED. OPS NORMAL. PERFORMED BITE NO FAULTS FOUND.