What was found
RIGHT PACK LIGHT ILLUMINATED IN FLIGHT. COMPLETED QRH PROCEDURE AND LIGHT WENT OUT. ACFT GROUNDED. ACCOMPLISHED BITE TEST FOR RT PACK, ZONE TEMP CONTROLLER IAW AMM 21-61-00, NO FAULTS NOTED. ACCOMPLISHED FIM 21-53, TASK 806. RT PACK LIGHT ON DURING CLIMB & STAYS OFF AFTER RESET, FAULT ISOLATION FOR SUSPECTED RAM AIR DOOR SYSTEM AND FIM 21-53, TASK 810 RT PACK LIGHT ON DURING CRUISE & STAYS OFF AFTER RESET, FAULT ISOLATION FOR SUSPECTED DIRTY HEAT EXCHANGERS. ACCOMPLISHED GVI FROM RT RAM AIR INLET, NO FAULTS NOTED