Nose gear failure on landing rollout.

Attributes
ACN	101465
Time
Date	198901
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mco
State Reference	FL
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	other
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	government other
Function	instruction : instructor
Qualification	pilot : commercial pilot : instrument pilot : cfi
Experience	flight time last 90 days : 110 flight time total : 1100 flight time type : 45
ASRS Report	101465
Person 2
Affiliation	Other
Function	instruction : trainee
Qualification	pilot : student
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	faa : investigated other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

A preliminary investigation indicates that the nose gear fork failed as a result of fatigue cracking. These cracks would have began underneath the paint and gone unnoticed at its last inspection. Callback conversation with reporter revealed following information. Reporter reluctant to give complete information. Would not specify location of incident or exact aircraft type. Indicated the FAA was doing a search of their records for any trend reference the fatigue failure. Aircraft was out of the annual inspection for about 6 months. Is in the process of being repaired. Speed at the time of failure was estimated to be 45 IAS. Aircraft was being used for training at the time of the incident and the student had been doing a good job. Aircraft primarily operated by the national guard.

Original NASA ASRS Text

Title: NOSE GEAR FAILURE ON LNDG ROLLOUT.

Narrative: A PRELIMINARY INVESTIGATION INDICATES THAT THE NOSE GEAR FORK FAILED AS A RESULT OF FATIGUE CRACKING. THESE CRACKS WOULD HAVE BEGAN UNDERNEATH THE PAINT AND GONE UNNOTICED AT ITS LAST INSPECTION. CALLBACK CONVERSATION WITH RPTR REVEALED FOLLOWING INFO. RPTR RELUCTANT TO GIVE COMPLETE INFO. WOULD NOT SPECIFY LOCATION OF INCIDENT OR EXACT ACFT TYPE. INDICATED THE FAA WAS DOING A SEARCH OF THEIR RECORDS FOR ANY TREND REFERENCE THE FATIGUE FAILURE. ACFT WAS OUT OF THE ANNUAL INSPECTION FOR ABOUT 6 MONTHS. IS IN THE PROCESS OF BEING REPAIRED. SPD AT THE TIME OF FAILURE WAS ESTIMATED TO BE 45 IAS. ACFT WAS BEING USED FOR TRAINING AT THE TIME OF THE INCIDENT AND THE STUDENT HAD BEEN DOING A GOOD JOB. ACFT PRIMARILY OPERATED BY THE NATIONAL GUARD.

Data retrieved from NASA's ASRS site as of August 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.