What was found
AIRCRAFT WAS GNDED, EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING DESCENT, CREW RECEIVED A LE FLAP IN TRANSIT INDICATION. MX ACCOMPLISHED FIM 27-88 TASK 805 & FOUND F2 RETRACT SENSOR S170 FAULTED. R & R SENSOR & ACCOMPLISHED OPERATIONAL CHECK IAW AMM 27-88-11. SYS CHECKED NORMAL.