An air carrier B757 flight crew went above their assigned altitude during leveloff.

Attributes
ACN	432380
Time
Date	199903
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : jfk.vor
State Reference	NY
Altitude	msl bound lower : 19000 msl bound upper : 19200
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zny.artcc
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : direct
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zny.artcc
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	432380
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : multi engine pilot : instrument
Events
Anomaly	altitude deviation : overshoot conflict : airborne less severe non adherence : clearance non adherence : far
Independent Detector	aircraft equipment : tcas other flight crewa other flight crewb
Resolutory Action	flight crew : returned to original clearance
Miss Distance	vertical : 800
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

First officer flying and leveling FL190. Got a TA alert. I sighted the target and looked at our altitude FL192. Returned aircraft to FL190. No RA.

Original NASA ASRS Text

Title: AN ACR B757 FLC WENT ABOVE THEIR ASSIGNED ALT DURING LEVELOFF.

Narrative: FO FLYING AND LEVELING FL190. GOT A TA ALERT. I SIGHTED THE TARGET AND LOOKED AT OUR ALT FL192. RETURNED ACFT TO FL190. NO RA.

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.