What was found
R/H PACK LIGHT ILLUMINATED CLIMBING THROUGH 30000FT. QRH CHECKLIST WAS COMPLETED AND PACK LIGHT REMAINED ILLUMINATED. GROUNDED - YES. PACK TRIP RESET NORMALLY AT GATE. RAN RIGHT PACK FULL HOT, UNABLE TO DUPLICATE. PERFORMED BITE CHECK ON PACK/ZONE TEMP CONTROLLERS. ZONE TEMP CONT 2 FAULTS THIS PACK TCV. WHEN GOING TO REMOVE R/H TEMP CONTROLLER FOUND AFT CLAMP NOT SECURE. SECURED BOTH CLAMPS AND PERFORMED PACK/ZONE TEMP CONTROLLER BITE CHECK MULTIPLE TIMES FOR CONT 2 NO FAULTS REGISTERED. IAW B737-800 AMM TASK 21-61-00-700-806-002.