SDR 2004F00103

Service difficulty report · Downlock Switch · Piper PA31

Difficulty date
April 8, 2004
Submitted
May 5, 2004
Operation
Air carrier
Aircraft
N9085Y
Make and model
Piper PA31
Aircraft serial
31119
Engine
Lyc TIO540A2B
Propeller
Hartzl HCE2YR2
Part
Downlock Switch
Part number
487862
Condition
Inoperative
Location
Lt Mlg
Stage of operation
NR
How discovered
9
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

ON A PART 91 FLIGHT THE GEAR DID NOT GET A LT DOWN LIGHT AND THE GEAR SELECTOR DID NOT COME BACK TO CENTER. AFTER A SAFE LANDING FOUND THE SWITCH NOT OPENING ALL THE WAY. CLEANED SWITCH AND BELIEVE THAT THE INTERNAL SPRING IS BROKEN AND ONLY ALLOWING HALF TRAVEL OUT AND NOT DISENGAGING SWITCH.

More about the Piper PA-31