What was found
RT PACK LIGHT ILLUMINATED ON RECALL, DURING LANDING CHECK. ACFT GROUNDED. COULD NOT DUPLICATE. GROUND VERIFICATION OPS CHECKED NORMAL IAW FIM21-53/808. RAN RT PACK FOR OVER 30 MINUTES, NO PACK LIGHT FAULT. ALSO ACCOMPLISHED BOTH TEMP CONT BITE CHECK IAW MM21-61-00, PREV FLT, BITE, & VERIFY ALL GO.