Narrative:

Right gear unsafe remained illuminated after gear retraction. Followed QRH; consulted with dispatch; and returned to [departure airport]. Normal landing at 120;000 lbs. Previous write up cleared by maintenance; but apparently not corrected sufficiently.

Google
 

Original NASA ASRS Text

Title: A B737-400 Captain reported indication of right main gear unsafe after retraction. Flight returned to departure airport for maintenance.

Narrative: Right gear unsafe remained illuminated after gear retraction. Followed QRH; consulted with Dispatch; and returned to [departure airport]. Normal landing at 120;000 lbs. Previous write up cleared by Maintenance; but apparently not corrected sufficiently.

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.