What was found
GEAR DISAGREE WARNING MESSAGE AFTER TAKEOFF WHEN LANDING GEAR LEVER WAS SELECTED UP. MESSAGE CLEARED AFTER DOING QRH. (FLIGHT #4967 FILED CLOSED) PLEASE REFERENCE AML 986814 FOR TROUBLESHOOTING OF GEAR DISAGREE WARNING MESSAGE. / PERFORMED OPERATIONAL CHECK OF LANDING GEAR EXTENSION/RETRACTION SYSTEM IN REFERENCE TO AMM 32-30-00. OPS CHECK GOOD AT THIS TIME, WARNING MESSAGES CLEARED, NO OTHER EICAS MESSAGES APPEARED. AIRCRAFT CLEARED FOR DISPATCH.