As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 ENG ICING LIGHT CAME ON 5 MIN AFTER T/O LIGHT FLICKERED FOR 2 MIN THEN ON STEADY. QRH COMPLIED WITH RTN TO MEM, LIGHT STILL ON AT BLOCK IN ENT BY: 038459 RPT BY: 096894. FOUND FUEL FILTER DIFFERENTIAL PRESS SWITCH AND CONNECTOR PINS PUSHED BACK MEM AVIONICS SHOP. REPLACED CONNECTOR. ALSO, R/R'D FUEL FILTER DIFF PRESS SWITCH..