Medium large transport receives TCASII RA when starting descent as cleared.

Attributes
ACN	243853
Time
Date	199306
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : dha
State Reference	TN
Altitude	msl bound lower : 27000 msl bound upper : 27500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : ztl
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent other
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise other
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 100 flight time total : 13000 flight time type : 8000
ASRS Report	243853
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : instrument pilot : commercial
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : took evasive action
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

ATC cleared us from FL280 to FL270. Received TCASII RA to climb. Started climb up from 27500 ft to FL280. Traffic was level FL260 at our 10 O'clock once 'clear of conflict' returned to FL270.

Original NASA ASRS Text

Title: MLG RECEIVES TCASII RA WHEN STARTING DSCNT AS CLRED.

Narrative: ATC CLRED US FROM FL280 TO FL270. RECEIVED TCASII RA TO CLB. STARTED CLB UP FROM 27500 FT TO FL280. TFC WAS LEVEL FL260 AT OUR 10 O'CLOCK ONCE 'CLR OF CONFLICT' RETURNED TO FL270.

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.