What was found
DEPARTED, WHEN WE SELECTED THE GEAR UP WE HEARD 3 LOUD BANGS FROM THE NOSE GEAR , SAW THE NOSE GEAR DOWN AND GEAR UN-SAFE LIGHT WHERE FLASHING THEN ALL WENT OUT. GEAR EXTENSION NORMAL WITH 3 GREEN INDICATION. RETURNED TO IAD WITH OUT INCIDENT. FOUND A WIRE STRAND SHORTING PIN A OF P G001 (NOSEGEAR UPLOCK SWITCH) TO GROUND. REMOVED WIRE STRAND. CHECK NOSEGEAR STRUT SERVICE, FOUND LOWER CHAMBER LOW. SERVICED NOSE STRUT IAW MM CH 32-20-00. PERFORMED SEVERAL GEAR SWINGS, OPS CHECKED GOOD IAW MM CH 32-00-00.