What was found
WHEN CONFIGURING TO LAND AT SLC IT WAS VERY DIFFICULT TO MOVE FLAP LEVER FROM 20 TO 25 DETENT. WHEN I FINALLY WAS ABLE TO MOVE FLAP LEVER TO 25, WE RECEIVED A TE FLAP DISAGREE EICAS AND LIGHT. FOLLOWED QRH. EMERGENCY DECLARER. FACT 09MAR21 15:45 SLC U INSPECTED FLAPS AND FOUND #1 FLAP DRIVE OVERLOAD INDICATION POPPED. RESET OVERLOAD INDICATION, LUBED FLAP DRIVE AND CYCLED FLAPS. OVERLOAD INDICATION REMAINED IN. REF AMM 12-13-06-30, FIM 27-51 FT 808 FIG 105, AND TECH TIPS 18-0042 ATA 27.