Narrative:

During final approach segment, flown in visual conditions by first officer, on his initial operating experience, aircraft was subject to changing winds with a 2 KT gain and loss. At 700 ft AGL, it was evident that a go around was necessary. During missed approach, ATC advised runway winds gusting 20+ KTS. At leveloff, the aircraft experienced a 5 KT/10 KT overspd while flaps were in transition from 20 degrees to 5 degrees flaps. Following subsequent landing, maintenance was advised of over speed event and an appropriate logbook write-up was completed. Maintenance personnel advised that overspd event, as described, was within limits. Airworthiness directive required no aircraft inspection. However, maintenance supervisor would be notified.

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Original NASA ASRS Text

Title: OVERSPD EVENT OCCURRED WHEN B777 MADE A GAR DUE TO WINDSHEAR CONDITIONS AND FLAPS WERE IN TRANSITION FROM 20 DEGS TO 5 DEGS.

Narrative: DURING FINAL APCH SEGMENT, FLOWN IN VISUAL CONDITIONS BY FO, ON HIS INITIAL OPERATING EXPERIENCE, ACFT WAS SUBJECT TO CHANGING WINDS WITH A 2 KT GAIN AND LOSS. AT 700 FT AGL, IT WAS EVIDENT THAT A GAR WAS NECESSARY. DURING MISSED APCH, ATC ADVISED RWY WINDS GUSTING 20+ KTS. AT LEVELOFF, THE ACFT EXPERIENCED A 5 KT/10 KT OVERSPD WHILE FLAPS WERE IN TRANSITION FROM 20 DEGS TO 5 DEGS FLAPS. FOLLOWING SUBSEQUENT LNDG, MAINT WAS ADVISED OF OVER SPD EVENT AND AN APPROPRIATE LOGBOOK WRITE-UP WAS COMPLETED. MAINT PERSONNEL ADVISED THAT OVERSPD EVENT, AS DESCRIBED, WAS WITHIN LIMITS. AIRWORTHINESS DIRECTIVE REQUIRED NO ACFT INSPECTION. HOWEVER, MAINT SUPVR WOULD BE NOTIFIED.

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.