Narrative:

At cruise red landing gear light came on. Began descent from FL280; ran QRH flew the last 150 NM with gear down. Per QRH declared emergency as precaution even though all gear indications were normal. Landed without incident. I suspect erroneous gear position lighting system.

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Original NASA ASRS Text

Title: A B737-300's red landing gear warning light illuminated at cruise so the QRH procedure was completed; an emergency declared and the flight descended with normal safe gear indications.

Narrative: At cruise red landing gear light came on. Began descent from FL280; ran QRH flew the last 150 NM with gear down. Per QRH declared emergency as precaution even though all gear indications were normal. Landed without incident. I suspect erroneous gear position lighting system.

Data retrieved from NASA's ASRS site as of April 2012 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.