Firefighters were called to a five-story building on West 15th St. just after 7 p.m.
They determined that a partial collapse occurred from a third floor rear balcony.
The metal cladding underneath the balcony became dislodged, falling into a backyard.
No injuries were reported.
The Department of Buildings was investigating.
Thursday afternoon, one person was killed and at least three others were injured after scaffolding collapsed at a building on East 36th St.
Authorities say it appeared workers were doing facade restoration on the roof level of the 11-story building when a rigging platform gave way.
The incident sparked a call from City Councilman Ben Kallos to pass laws for stricter inspection of scaffolding and requiring building owners to maintain their buildings.
That morning, a large section of the wall of a building at a construction site on East 34th St. collapsed and was followed by a second collapse at the site hours later.
There were no injuries in that incident.
Three buildings on 17th St. in Brooklyn were evacuated Tuesday morning after part of a wall fell off of a home.
Department of Buildings inspectors determined that the exterior side wall had collapsed to the ground below.
They also observed further cracking at the roof level.
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