AN SMA PLT EXPERIENCES A HDG TRACK DEV WHILE FOLLOWING A SUPPOSEDLY CORRECT FLT PLAN. IT WASN'T AND HE ERRED.

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ON SUNDAY; I FILED A FLT PLAN WITH GREEN BAY FSS. THE RTE WAS: GRB V55 MKG-V450-ZR-V308-YXU-V84-THORL-V265-BFD. THE FSS SPECIALIST COULD NOT GET THE COMPUTER TO ACCEPT THE FLT PLAN UNTIL ZR AND THORL WERE DELETED. THE RTE THEN WAS: GRB V55-MKG-V450-V308-YXU V84-V265 BFD. THIS FLT WAS CANCELED DUE TO A MINOR MECHANICAL PROB. ON TUESDAY I FILED ANOTHER FLT PLAN FOR BFD. DUE TO WX IN MICHIGAN THE RTE WAS: GRB-V420-TVC-V133-MBS-V216-ECK-V84-V265-BFD. THE GREEN BAY FSS SPECIALIST SAID THE COMPUTER ACCEPTED THIS RTE. I WAS GIVEN A CLRED AS FILED BY GREEN BAY CLRNC. AFTER DEP; ZMP ASKED WHAT MY DEST WAS. I WAS WORKING TORONTO CTR AS I APCHED THORL INTXN (THE JUNCTION OF V84 AND V265). WHEN I TURNED TO INTERCEPT V265; TORONTO ASKED IF I WAS DEVIATING AROUND WX. IT BECAME OBVIOUS THAT THERE WAS A PROB WITH THE ROUTING. I RECEIVED CLRNC FOR V265 AND WAS CHANGED TO BUFFALO APCH. I ASKED THEM ABOUT THE FLT PLAN. THEY SAID THAT THEY AND TORONTO HAD PROBS WITH THE FLT PLAN. APPARENTLY THE RTE INFO WAS NOT XMITTED PROPERLY.