Narrative:

After takeoff and after climb power selected, noticed EPR fluctuation #2 engine. Decided to return to dfw for maintenance evaluation. Did not shutdown engine, and did not declare an emergency. After landing, realized we had landed overweight at 96000 pounds. Reflecting on how our landing weight was overlooked, we realized that when reviewing landing data the FMS landing weight was based on destination landing weight, and with a heavy cockpit workload, the data was accepted in error. The FMS was updated later with the new destination, and the approach was flown at the correct approach speeds. Emergency equipment was standing by as a precaution and followed us to the gate without incident. Logbook entry made.

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Original NASA ASRS Text

Title: AN F100 FLT RETURNS AND LANDS WITH A JUMPY EPR GAUGE. CREW FAILED TO REALIZE THAT THE ACFT WAS OVERWT FOR LNDG UNTIL AFTER THE FACT AT DFW, TX.

Narrative: AFTER TKOF AND AFTER CLB PWR SELECTED, NOTICED EPR FLUCTUATION #2 ENG. DECIDED TO RETURN TO DFW FOR MAINT EVALUATION. DID NOT SHUTDOWN ENG, AND DID NOT DECLARE AN EMER. AFTER LNDG, REALIZED WE HAD LANDED OVERWT AT 96000 LBS. REFLECTING ON HOW OUR LNDG WT WAS OVERLOOKED, WE REALIZED THAT WHEN REVIEWING LNDG DATA THE FMS LNDG WT WAS BASED ON DEST LNDG WT, AND WITH A HVY COCKPIT WORKLOAD, THE DATA WAS ACCEPTED IN ERROR. THE FMS WAS UPDATED LATER WITH THE NEW DEST, AND THE APCH WAS FLOWN AT THE CORRECT APCH SPDS. EMER EQUIP WAS STANDING BY AS A PRECAUTION AND FOLLOWED US TO THE GATE WITHOUT INCIDENT. LOGBOOK ENTRY MADE.

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.