B757-200
Maintenance Airframe; Maintenance Powerplant
Communication Breakdown
Deviation / Discrepancy - Procedural MEL / CDL; Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Published Material / Policy
Company Policy; Human Factors; Procedure; Manuals; MEL
Aircraft was dispatched from ZZZ while ZZZ was experiencing frost/icing conditions. Even the Captain of the flight mentioned aircraft being deiced; yet the aircraft was flown with an MEL that restricted flight during icing or forecast icing conditions.
Aircraft with MEL restriction prohibiting flight into known or forecast icing conditions was dispatched to airport experiencing icing conditions.