A C180 private pilot loses control of his aircraft during landing, places fault with failed gearbox.

Attributes
ACN	437899
Time
Date	199905
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	WA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Aircraft 2
Make Model Name	Cessna 180 Skywagon
Operating Under FAR Part	Part 91
Flight Phase	landing : roll
Flight Plan	None
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 11 flight time total : 346 flight time type : 49
Events
Anomaly	aircraft equipment problem : critical other anomaly
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

I lost control of my aircraft during a normal landing of the aircraft. I believe that the cause of the incident was a structural failure of the gearbox rather than careless operation on my part.

Original NASA ASRS Text

Title: A C180 PVT PLT LOSES CTL OF HIS ACFT DURING LNDG, PLACES FAULT WITH FAILED GEARBOX.

Narrative: I LOST CTL OF MY ACFT DURING A NORMAL LNDG OF THE ACFT. I BELIEVE THAT THE CAUSE OF THE INCIDENT WAS A STRUCTURAL FAILURE OF THE GEARBOX RATHER THAN CARELESS OP ON MY PART.

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.