Nose gear on small aircraft collapsed after landing and touchdown of nose and application of brakes.

Attributes
ACN	175443
Time
Date	199104
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : crq
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : nttt
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	landing other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 6 flight time total : 5500 flight time type : 2200
ASRS Report	175443
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other other : unspecified cockpit
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

On landing roll nose gear folded with first application of brakes. Cause unknown at this time. Callback conversation with reporter revealed the following: reporter stated on callback that in repairing the aircraft it was not established why the locking mechanism failed to keep the nose gear in over center position. Considerable damage to the aircraft. Reporter is positive that he had checked gear down--lights and handle in proper position. Observers reported gear appeared down for landing. Reporter had observed the testing of the gear during relicensing.

Original NASA ASRS Text

Title: NOSE GEAR ON SMA COLLAPSED AFTER LNDG AND TOUCHDOWN OF NOSE AND APPLICATION OF BRAKES.

Narrative: ON LNDG ROLL NOSE GEAR FOLDED WITH FIRST APPLICATION OF BRAKES. CAUSE UNKNOWN AT THIS TIME. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: RPTR STATED ON CALLBACK THAT IN REPAIRING THE ACFT IT WAS NOT ESTABLISHED WHY THE LOCKING MECHANISM FAILED TO KEEP THE NOSE GEAR IN OVER CENTER POS. CONSIDERABLE DAMAGE TO THE ACFT. RPTR IS POSITIVE THAT HE HAD CHKED GEAR DOWN--LIGHTS AND HANDLE IN PROPER POS. OBSERVERS RPTED GEAR APPEARED DOWN FOR LNDG. RPTR HAD OBSERVED THE TESTING OF THE GEAR DURING RELICENSING.

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.