Narrative:

After takeoff, my top EFIS tube went out. I called operations and they told us to come back. While I was on the radio to the company, the captain called approach control to let them know we were coming back. Approach control told us to keep our speed up and they would vector us to the ILS runway 35R. The captain briefed the approach and gave the frequency for the ILS runway 36L. At this point we were about to intercept the localizer. I have flown out of dfw for 2 yrs and I thought I knew all of the frequencys. I never looked up the proper frequency for the ILS to runway 35R. When we broke out of the clouds, we were on the wrong side of the airport and approach control gave us an immediate 90 degree turn. We told them we had the runway in sight. They cleared us for the visual approach. The plane on the ILS for runway 36L was also from our company. The captain told us we were 1 mi from him.

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Original NASA ASRS Text

Title: WRONG RWY APCH.

Narrative: AFTER TKOF, MY TOP EFIS TUBE WENT OUT. I CALLED OPS AND THEY TOLD US TO COME BACK. WHILE I WAS ON THE RADIO TO THE COMPANY, THE CAPT CALLED APCH CTL TO LET THEM KNOW WE WERE COMING BACK. APCH CTL TOLD US TO KEEP OUR SPD UP AND THEY WOULD VECTOR US TO THE ILS RWY 35R. THE CAPT BRIEFED THE APCH AND GAVE THE FREQ FOR THE ILS RWY 36L. AT THIS POINT WE WERE ABOUT TO INTERCEPT THE LOC. I HAVE FLOWN OUT OF DFW FOR 2 YRS AND I THOUGHT I KNEW ALL OF THE FREQS. I NEVER LOOKED UP THE PROPER FREQ FOR THE ILS TO RWY 35R. WHEN WE BROKE OUT OF THE CLOUDS, WE WERE ON THE WRONG SIDE OF THE ARPT AND APCH CTL GAVE US AN IMMEDIATE 90 DEG TURN. WE TOLD THEM WE HAD THE RWY IN SIGHT. THEY CLRED US FOR THE VISUAL APCH. THE PLANE ON THE ILS FOR RWY 36L WAS ALSO FROM OUR COMPANY. THE CAPT TOLD US WE WERE 1 MI FROM HIM.

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.