Service difficulty report · Switch · Socata TB20TRINIDAD

Difficulty date
June 20, 2012
Submitted
February 22, 2013
Operation
General aviation
Aircraft
N1866S
Make and model
Socata TB20TRINIDAD
Aircraft serial
1866
Engine
Lyc IO540*
Part
Switch
Part number
TB2061032005
Condition
Stuck
Location
Nose Gear
Part time
2,894 hours
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NOSE GEAR DOWN INDICATOR SWITCH REMAINED STUCK CLOSED AFTER RETRACTION OF GEAR. WHEN GEAR WAS EXTENDED, HYD PRESSURE TO NOSE GEAR STOPPED WHEN MAIN GEAR DOWN LIMIT SWITCHES CLOSED SHUTTING OFF GEAR MOTOR PRIOR TO NOSE GEAR LOCKING. ACFT LANDED WITH 3 GREEN INDICATOR LIGHTS ON, BUT NOSE GEAR NOT FULLY EXTENDED AND CAUSING GEAR COLLAPSE. RECOMMEND BEING MORE FAMILLIAR WITH EMERGENCY PROCEDURES AND FOLLOWING THEM (POH).