Landing gearbox failure on takeoff for small aircraft leads to gear partially extended for landing.

Attributes
ACN	140999
Time
Date	199003
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : ism
State Reference	FL
Altitude	agl bound lower : 0 agl bound upper : 80
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : flight engineer pilot : commercial pilot : instrument
Experience	flight time last 90 days : 30 flight time total : 3000 flight time type : 800
ASRS Report	140999
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency none taken : unable
Consequence	other
Supplementary
Primary Problem	Aircraft

Narrative:

The gear motor/gear box failed at gear retraction. Tower confirmed gear positioned at 45 degree angle. Flew airplane to owner's maintenance facility at ism after conducting all emergency procedures (manual cranking of gear, positive and negative G's, yaw). Owner notified fire department. Landed aircraft on inside gear doors after shutting down engine at 200' on final. Airplane came to a stop, resting on main and nose gear doors. Propeller stopped horizontally, only damage was to gear doors. No damage to engine, propeller, belly, antennas, rotating beacon, flaps. No injuries or property damage.

Original NASA ASRS Text

Title: LNDG GEARBOX FAILURE ON TKOF FOR SMA LEADS TO GEAR PARTIALLY EXTENDED FOR LNDG.

Narrative: THE GEAR MOTOR/GEAR BOX FAILED AT GEAR RETRACTION. TWR CONFIRMED GEAR POSITIONED AT 45 DEG ANGLE. FLEW AIRPLANE TO OWNER'S MAINT FAC AT ISM AFTER CONDUCTING ALL EMER PROCS (MANUAL CRANKING OF GEAR, POSITIVE AND NEGATIVE G'S, YAW). OWNER NOTIFIED FIRE DEPT. LANDED ACFT ON INSIDE GEAR DOORS AFTER SHUTTING DOWN ENG AT 200' ON FINAL. AIRPLANE CAME TO A STOP, RESTING ON MAIN AND NOSE GEAR DOORS. PROP STOPPED HORIZONTALLY, ONLY DAMAGE WAS TO GEAR DOORS. NO DAMAGE TO ENG, PROP, BELLY, ANTENNAS, ROTATING BEACON, FLAPS. NO INJURIES OR PROPERTY DAMAGE.

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.