Narrative:

Unable to extend flaps during approach and flap indicator showed very slight split flap (asymmetry) with flap handle in the up position. Executed missed approach and advised ATC. Ran appropriate checklists and concluded that a no flap/slat landing was required. Declared emergency with ATC; requested arff to stand by; contacted company; sent message to dispatch. Approach and landing were uneventful. Described problem to maintenance supervisor and made entries in logbook.

Google
 

Original NASA ASRS Text

Title: B737 flight crew reports inability to extend trailing edge flaps during approach. A go around is initiated; an emergency is declared; and the QRH is consulted resulting in a no flap landing.

Narrative: Unable to extend flaps during approach and flap indicator showed very slight split flap (asymmetry) with flap handle in the UP position. Executed missed approach and advised ATC. Ran appropriate checklists and concluded that a no flap/slat landing was required. Declared emergency with ATC; requested ARFF to stand by; contacted company; sent message to Dispatch. Approach and landing were uneventful. Described problem to Maintenance Supervisor and made entries in logbook.

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.