What was found
ON TAX IN RIGHT PACK LIGHT ILLUMINATED. RESET PER QRH, 5 MINS LATER THE RIGHT PACK LIGHT RE-ILLUMINATED. GROUNDED - YES. FOUND R/H PACK WAS TRIPPED OFF. REMOVED AND REPLACED R/H PACK ACM PER B737-900 AMM 21-51-04. PERFORMED ACM INSTALLATION TEST. ACM INSTALLATION TEST PASSED. REMOVED AND REPLACED R/H TCV PER AMM 21-61-21. PERFORMED PACK FLOW TEMP CONTROLLER BITE TEST FOR RIGHT AND LEFT PACK PER AMM 21-61-00. RIGHT AND LEFT PACK FLOW TEMP CONTROLLER BITE TEST PASSED. NO FAULTS FOUND. PERFORMED LEAK TEST. LEAK TEST PASSED. R/H PACK AND L/H OPERATES AS NORMAL.