What was found
UPON SELECTING FLAPS 25, TE FLAP DISAGREE MESSAGE. COMPLIED WITH QRH. LANDED WITH FLAPS 20, LANDING SPEED 138. EMERGENCY DECLARED. ACCOMPLISHED FSEU BITE CHECKS AND FOUND FSEU 1 WITH A FLAP DISAGREE FAULT. INSPECTED TE FLAP SYSTEM AND FOUND L/H OUTBD FLAP OUTBD TRANSMISSION (#1) OVERLOAD INDICATOR TRIPPED. NO OTHER INDICATORS TRIPPED AND ALL TRANSMISSION FLUID LEVELS GOOD. TROUBLESHOT IAW ABOVE FIM. LUBED OUTBD FLAP, RESET INDICATOR AND OPERATED FLAPS SEVERAL TIMES WITH NO FAULTS OR MESSAGES FOUND.