Climbing descending operational error at ZOB ARTCC.

Attributes
ACN	574449
Time
Date	200301
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : vwv.vor
State Reference	OH
Altitude	msl bound lower : 23700 msl bound upper : 25000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zob.artcc
Operator	common carrier : air carrier
Make Model Name	B737-500
Operating Under FAR Part	Part 121
Flight Phase	cruise : enroute altitude change descent : vacating altitude
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zob.artcc
Operator	common carrier : air carrier
Make Model Name	Regional Jet 200 ER&LR
Operating Under FAR Part	Part 121
Flight Phase	climbout : vacating altitude cruise : enroute altitude change
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 9 controller time certified in position2 : 9 flight time total : 106
ASRS Report	574449
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation
Independent Detector	atc equipment : conflict alert other controllera
Resolutory Action	controller : issued alert flight crew : took evasive action
Consequence	faa : investigated
Miss Distance	horizontal : 28000 vertical : 700
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Aircraft Y was climbing to FL250. Air carrier X was descending to FL240. Aircraft Y climbed from FL237 to FL247 in 31 seconds, then took another 31 seconds to climb to FL248 (100 ft). A 40 degree left turn had been issued to aircraft Y for the traffic.

Original NASA ASRS Text

Title: CLBING DSNDING OPERROR AT ZOB ARTCC.

Narrative: ACFT Y WAS CLBING TO FL250. ACR X WAS DSNDING TO FL240. ACFT Y CLBED FROM FL237 TO FL247 IN 31 SECONDS, THEN TOOK ANOTHER 31 SECONDS TO CLB TO FL248 (100 FT). A 40 DEG L TURN HAD BEEN ISSUED TO ACFT Y FOR THE TFC.

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.