Narrative:

During approach; after selecting gear down; we received a gear disagree message and noticed that the nose gear indicator was not green. At approximately 1200-1500 ft; we executed a normal go-around; retracting the gear as per the normal procedure. After cleaning up the airplane; leveling off and getting vectors from departure; we attempted to lower the landing gear and again received the gear disagree message. The captain pulled out the QRH and began reading the steps. Before he could get to step 2 (landing gear lever...off); I noticed a change in wind noise and asked the captain to pause the checklist a moment because I suspected the nose gear was starting to come down on its own. After about 15 seconds; we observed the green nose gear light and the gear disagree message extinguished. Our flight continued without incident and we were vectored back to runway xxr for a successful landing.this was the second consecutive flight for this airplane in which the nose gear did not extend causing a go-around.

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Original NASA ASRS Text

Title: B757 First Officer reported executing a go-around after the nose landing gear failed to extend. The nose gear later extended normally.

Narrative: During approach; after selecting gear down; we received a Gear Disagree message and noticed that the nose gear indicator was not green. At approximately 1200-1500 ft; we executed a normal go-around; retracting the gear as per the normal procedure. After cleaning up the airplane; leveling off and getting vectors from Departure; we attempted to lower the landing gear and again received the Gear Disagree message. The Captain pulled out the QRH and began reading the steps. Before he could get to step 2 (Landing gear lever...Off); I noticed a change in wind noise and asked the Captain to pause the checklist a moment because I suspected the nose gear was starting to come down on its own. After about 15 seconds; we observed the green nose gear light and the Gear Disagree message extinguished. Our flight continued without incident and we were vectored back to runway XXR for a successful landing.This was the second consecutive flight for this airplane in which the nose gear did not extend causing a go-around.

Data retrieved from NASA's ASRS site 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.