Starduster sa-300 pilot reported the l-hand landing gear failed during landing.

Attributes
ACN	594877
Time
Date	200309
Day	Sat
Local Time Of Day	0601 To 1200
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	Amateur (Home) Built
Operating Under FAR Part	Part 91
Flight Phase	landing : roll ground : maintenance
Flight Plan	None
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Experience	flight time last 90 days : 30 flight time total : 3100 flight time type : 400
ASRS Report	594877
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Left gear failed during landing. Landing was normal -- not hard. Apparent cause: progressive weld failure over a period of 20 yrs. Damage was to lower l-hand wingtip and propeller. No passenger, no other damage, pilot unhurt.

Original NASA ASRS Text

Title: STARDUSTER SA-300 PLT RPTED THE L-HAND LNDG GEAR FAILED DURING LNDG.

Narrative: L GEAR FAILED DURING LNDG. LNDG WAS NORMAL -- NOT HARD. APPARENT CAUSE: PROGRESSIVE WELD FAILURE OVER A PERIOD OF 20 YRS. DAMAGE WAS TO LOWER L-HAND WINGTIP AND PROP. NO PAX, NO OTHER DAMAGE, PLT UNHURT.

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.