What was found
AFTER START, RT PACK LT, EXT WITH MASTER CAUTION RESET. GROUNDED - YES. RIGHT PACK LIGHT ON RECALL. BITE OF #2 CONTROLLER BIT & PREV FLT = THIS PACK TCV RED LT ON, VERIFY GREEN GO LIGHT ILLUMINATED AND RESET FAULT. RAN R & L PACKS AND ALL TEMPS FOLLOW TEMP SELECTORS APPROPRIATELY, NO PACK LIGHT ON RECAL. NO FURTHER ACTION REQUIRED AT THIS TIME. REF B737-800 FIM 21-53 TASK 821, 21-62 TASK 801 & 831. B737-800 AMM 21-00-00.