Narrative:

Dtw approach assigned a heading of 035 degrees to our aircraft, along with other information you check in (ie, altitude, local altimeter setting, expect runway, etc). First officer (PF) mistook heading assignment to be 350 degrees and turned. Captain did not catch error made by first officer until dtw called back and heading of 070 degrees to compensate for error. Heading corrected, situation uneventful.

Google
 

Original NASA ASRS Text

Title: FO OF AN LTT TURBOPROP TURNED TO THE WRONG ASSIGNED HDG RESULTING IN ATC INTERVENTION AND A NEW HDG TO BRING RPTR'S ACFT BACK ON TRACK.

Narrative: DTW APCH ASSIGNED A HDG OF 035 DEGS TO OUR ACFT, ALONG WITH OTHER INFO YOU CHK IN (IE, ALT, LCL ALTIMETER SETTING, EXPECT RWY, ETC). FO (PF) MISTOOK HDG ASSIGNMENT TO BE 350 DEGS AND TURNED. CAPT DID NOT CATCH ERROR MADE BY FO UNTIL DTW CALLED BACK AND HDG OF 070 DEGS TO COMPENSATE FOR ERROR. HDG CORRECTED, SIT UNEVENTFUL.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.