Narrative:

Returned to [the departure airport] after N1 abnormal indications on departure. After maintenance ran a check it was determined that a T12 malfunction was the cause of the abnormal indications. An overweight landing was logged at 129;000 pounds and a vsi sink of 50 FPM.

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Original NASA ASRS Text

Title: After a B737-700 returned to land because of an abnormal N1 indication on takeoff; maintenance found a T12 inlet temperature probe fault.

Narrative: Returned to [the departure airport] after N1 abnormal indications on departure. After maintenance ran a check it was determined that a T12 malfunction was the cause of the abnormal indications. An overweight landing was logged at 129;000 LBS and a VSI sink of 50 FPM.

Data retrieved from NASA's ASRS site as of July 2013 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.