What was found
L/E SLAT DISAGREE , 3000FT @210 KTS, RAN QRH LANDED W/ALT FLAPS 20 T/S IAW FIM 27-51 F/T 805 AND FIM 27-81 F/T 803. BITE CHECK ON FSEU 1 HAS NO EXISTING FAULTS BUT SHOWS FAULT 310 SLAT DISAGREE INTERMITTENT ON LAST LEG. FSEU 2 HAS NO EXISTING FAULTS BUT SHOWS FAULT 226 SLAT PDU XMT ON LAST LEG. INSPECTED SLATS AND CYCLED SEVERAL TIMES IAW FIM. SLAT DISAGREE MESSAGE DID NOT RETURN. CHECKED SLAT PDU POSITION TRANSMITTER FOR PROPER ADJUSTMENT THROUGH ALL SLAT POSITIONS IAW B757 AMM 27-58-01-5, ALL POSITIONS WITH LIMITS, CHECKED CONNECT, WIRING AND PHYSICAL CONDITION OF TRANSMITTER, NO DEFECTS NOTED. INSPECTED PDU I/B AND O/B OVERLOAD INDICATORS, BOTH CHECK GOOD, INSPECTED COMPLETE LEFT AND RIGHT WING SLAT'S ROTARY ACTUATORS OVERLOAD INDICATORS, FOUND #5 SLAT O/B ACTUATOR WAS TRIPPED AND INDICATOR BROKEN, T/S REF FIM 27-81 FAULT TREE 803. INSTALLED #5 LE O/B SLAT ROTARY ACTUATOR REF. 757AMM 27-81-18-4. OPERATIONAL CHECKS GOOD. REMOVED HAMILTON SUNDSTRAND P/N- 755299D S/N- A0929.