What was found
AFTER ENGINE START, ON RECALL, RT PACK LIGHT ILLUMINATED. QRH PROCEDURE FOLLOWED. PACK LIGHT EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. PACK-ZONE TEMP CONTROLLER BITE CHECKED IAW FIM 21-62, TASK 801, SHOWED RT PACK TEMP CONTROL VALVE FAULT AND VERIFY TEST CONFIRMED FAULT. R & R, TESTED RT PACK TEMP CONTROL VALVE V141 IAW MM 21-51-10-000-801, MM 21-51-00-400-801. OPS NORMAL, NO LEAKS NOTED.