The right landing gear collapsed on landing on an small aircraft.

Attributes
ACN	257621
Time
Date	199311
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ykm
State Reference	WA
Altitude	agl bound lower : 0 agl bound upper : 0
Aircraft 1
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	landing other other
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 20 flight time total : 1000 flight time type : 20
ASRS Report	257621
Person 2
Affiliation	Other
Function	other personnel
Qualification	other other : other
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	none taken : unable other
Consequence	other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

After 1 touch and go, the landing gear 'locked down light' would not come on, nor would the warning buzzer go off when I backed off the throttle. I requested to fly by the tower and they confirmed the gear was down. I asked the controller to contact my mechanic. I tried to raise and lower the gear but the motor would not operate. My mechanic thought it would be all right to land. Because it was 25 degrees F, he thought the switch wasn't making contact and the gear was really locked down. I made a soft landing and shut the engine down. When the aircraft slowed to about 30 mph, the right main gear slowly collapsed and the plane swerved to the right and came to a stop at the side of runway 27. The controller had the fire trucks at the scene within a min. We lifted the wing and manually locked the wheel down and pulled the aircraft off the runway. There was about 500 dollars damage to the wing and tail.

Original NASA ASRS Text

Title: THE R LNDG GEAR COLLAPSED ON LNDG ON AN SMA.

Narrative: AFTER 1 TOUCH AND GO, THE LNDG GEAR 'LOCKED DOWN LIGHT' WOULD NOT COME ON, NOR WOULD THE WARNING BUZZER GO OFF WHEN I BACKED OFF THE THROTTLE. I REQUESTED TO FLY BY THE TWR AND THEY CONFIRMED THE GEAR WAS DOWN. I ASKED THE CTLR TO CONTACT MY MECH. I TRIED TO RAISE AND LOWER THE GEAR BUT THE MOTOR WOULD NOT OPERATE. MY MECH THOUGHT IT WOULD BE ALL RIGHT TO LAND. BECAUSE IT WAS 25 DEGS F, HE THOUGHT THE SWITCH WASN'T MAKING CONTACT AND THE GEAR WAS REALLY LOCKED DOWN. I MADE A SOFT LNDG AND SHUT THE ENG DOWN. WHEN THE ACFT SLOWED TO ABOUT 30 MPH, THE R MAIN GEAR SLOWLY COLLAPSED AND THE PLANE SWERVED TO THE R AND CAME TO A STOP AT THE SIDE OF RWY 27. THE CTLR HAD THE FIRE TRUCKS AT THE SCENE WITHIN A MIN. WE LIFTED THE WING AND MANUALLY LOCKED THE WHEEL DOWN AND PULLED THE ACFT OFF THE RWY. THERE WAS ABOUT 500 DOLLARS DAMAGE TO THE WING AND TAIL.

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.