What was found
DURING APPROACH IN TO MEM, TE FLAP DISAGREE EICAS APPEARED AND FLAPS CEASED TO MOVE WHEN MOVING FLAP HANDLE TO FLAPS 25. ACCOMPLISHED THE QRH AND LANDED WITH FLAPS 20. ***EMERGENCY DECLARED*** FIM: 27-51-00-1 AMM: 27-51-00-2 AMM: 12-21-09-3 T/S REF ABOVE FIM, INSPECTED ALL TRANSMISSION OVERLOAD TRIP INDICATORS AND FOUND LEFT WING I/B TRANSMISSION OVERLOAD TRIP INDICATOR TRIPPED WITH BALLSCREW VERY DRY. RESET TRIP INDICATOR AND LUBED BALLSCREW/GIMBAL. PERFORMED SEVERAL OPS CHECKS AND ALL CHECK GOOD.