Tailwheel spring attachment failure on landing results in modest ground loop for homebuilt.

Attributes
ACN	798332
Time
Date	200807
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Christen Eagle II
Operating Under FAR Part	Part 91
Flight Phase	landing : roll
Flight Plan	VFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 28 flight time total : 960 flight time type : 650
ASRS Report	798332
Events
Anomaly	aircraft equipment problem : less severe other anomaly
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	other
Supplementary
Problem Areas	Flight Crew Human Performance Aircraft
Primary Problem	Aircraft

Narrative:

Tailwheel attachment bolt to springs broke on landing. I maintained directional control until very slow speed then plane turned 45 degrees to left in the resulted definition of a 'ground loop.' once plane touched down; plane did not leave the runway.

Original NASA ASRS Text

Title: TAILWHEEL SPRING ATTACHMENT FAILURE ON LNDG RESULTS IN MODEST GROUND LOOP FOR HOMEBUILT.

Narrative: TAILWHEEL ATTACHMENT BOLT TO SPRINGS BROKE ON LNDG. I MAINTAINED DIRECTIONAL CTL UNTIL VERY SLOW SPD THEN PLANE TURNED 45 DEGS TO L IN THE RESULTED DEFINITION OF A 'GND LOOP.' ONCE PLANE TOUCHED DOWN; PLANE DID NOT LEAVE THE RWY.

Data retrieved from NASA's ASRS site as of May 2009 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.