B737 crew reported a near midair collision on climbout from ewr.

Attributes
ACN	1446637
Time
Date	201705
Local Time Of Day	0601-1200
Place
Locale Reference	N90.TRACON
State Reference	NY
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Aircraft 2
Make Model Name	Cessna Aircraft Undifferentiated or Other Model
Person 1
Function	Pilot Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Total 11738 Flight Crew Type 4017
Person 2
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Type 1923
Events
Anomaly	Conflict NMAC Deviation - Altitude Excursion From Assigned Altitude
Miss Distance	Horizontal 100 Vertical 200

Narrative:

Southeast of ewr at 6;000 ft; ATC called traffic at 6;500 ft at 11:00. Shortly thereafter; TCAS annunciated 'traffic' then 'maintain vertical speed' then 'descend'. As the flying pilot; I complied with the TCAS guidance while the captain reported 'TCAS right/a'. After we were 'clear of conflict'; ATC scolded the cessna traffic saying 'I need you to maintain 6;500!'

Original NASA ASRS Text

Title: B737 Crew reported a NMAC on climbout from EWR.

Narrative: Southeast of EWR at 6;000 ft; ATC called traffic at 6;500 ft at 11:00. Shortly thereafter; TCAS annunciated 'Traffic' then 'Maintain Vertical Speed' then 'Descend'. As the flying pilot; I complied with the TCAS guidance while the captain reported 'TCAS R/A'. After we were 'Clear of Conflict'; ATC scolded the Cessna traffic saying 'I need you to maintain 6;500!'

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.