Medium large transport descended 700 ft due to a TCASII RA.

Attributes
ACN	224643
Time
Date	199210
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : ape
State Reference	OH
Altitude	msl bound lower : 26300 msl bound upper : 27000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zid
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 200 flight time total : 21000 flight time type : 200
ASRS Report	224643
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance
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	Aircraft
Air Traffic Incident	Pilot Deviation other

Narrative:

TCASII alert. RA -- descend. We descended, advised ATC. After clear, climbed back to 27000 ft. Altitude descended was approximately 700 ft.

Original NASA ASRS Text

Title: MLG DSNDED 700 FT DUE TO A TCASII RA.

Narrative: TCASII ALERT. RA -- DSND. WE DSNDED, ADVISED ATC. AFTER CLR, CLBED BACK TO 27000 FT. ALT DSNDED WAS APPROX 700 FT.

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.