What was found
ON CLIMB OUT, FLIGHT DIRECTORS DID NOT RESPOND TO ANY COMMANDS FROM GCP. AIRCRAFT STARTED TO CLIMB WITHOUT COMMAND. ATC 1 & 2 NOT WORKING, ATC REQUESTED POSITION INFORMATION FROM CREW. PERFORMED INTERROGATION CHECK FOR FCC 1 & 2, FMC 1 & 2 WITH NO FAULTS FOUND. PERFORMED RETURN TO SERVICE CHECK ON FCC 1 & 2 IAW AMM 22-00-00 WITH NO FAULTS FOUND. COULD NOT DUPLICATE OR FIND ANY FAULTS WITH EITHER SYSTEM. ALL GROUND TESTS PASSED IAW AMM 22-01-10. PERFORMED RETURN TO SERVICE CHECK ON FMC 1 & 2 IAW AMM 34-63-00 WITH NO FAULTS FOUND. COULD NOT DUPLICATE OR FIND ANY FAULTS WITH EITHER SYSTEM. ALL GROUND TESTS PASSED. PERFORMED RETURN TO SERVICE CHECK ON ATC 1 & 2 IAW AMM 34-54-00 WITH NO FAULTS FOUND. PERFORMED FIM 34-54-5 WITH NO FAULTS FOUND.