Flight crew of B734-400 responded correctly to TCASII RA on vectors for final approach at sna.

Attributes
ACN	581483
Time
Date	200305
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : sna.airport
State Reference	CA
Altitude	msl bound lower : 3000 msl bound upper : 3200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : sct.tracon
Operator	common carrier : air carrier
Make Model Name	B737-400
Operating Under FAR Part	Part 121
Flight Phase	descent : vacating altitude descent : approach
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : sct.tracon
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise : level
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : instrument pilot : atp pilot : cfi pilot : commercial pilot : flight engineer
Experience	flight time last 90 days : 200 flight time total : 13000 flight time type : 2000
ASRS Report	581483
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne critical
Independent Detector	aircraft equipment : tcas
Resolutory Action	flight crew : returned to original clearance flight crew : took evasive action other
Supplementary
Problem Areas	Flight Crew Human Performance Aircraft ATC Human Performance Environmental Factor
Primary Problem	ATC Human Performance

Narrative:

On vector to final, TCASII RA (climbing), climbed from 3000 ft to 3200 ft when clear of conflict. Returned to original ATC clearance. Approach and landing normal. ATC had both aircraft on radar and put us too close to avoid an RA.

Original NASA ASRS Text

Title: FLT CREW OF B734-400 RESPONDED CORRECTLY TO TCASII RA ON VECTORS FOR FINAL APCH AT SNA.

Narrative: ON VECTOR TO FINAL, TCASII RA (CLBING), CLBED FROM 3000 FT TO 3200 FT WHEN CLR OF CONFLICT. RETURNED TO ORIGINAL ATC CLRNC. APCH AND LNDG NORMAL. ATC HAD BOTH ACFT ON RADAR AND PUT US TOO CLOSE TO AVOID AN 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.