Service difficulty report · Clevis · Gulstm 690A

Difficulty date
July 1, 2008
Submitted
July 21, 2008
Operation
General aviation
Aircraft
N122AV
Make and model
Gulstm 690A
Aircraft serial
11235
Engine
Garrtt TPE33112UHR
Part
Clevis
Part number
ED12758
Condition
Broken
Location
Rt Mlg Actuator
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

WHEN FLYING IN TO LAND, LANDING GEAR WAS SELECTED DOWN, RT MLG CAME DOWN ABOUT A FOOT AND STOPPED ON (2) ATTEMPTS, UPON (3RD) ATTEMPT GEAR CAME DOWN AND INDICATED LOCKED. AC WAS BROUGHT INTO OUR SHOP AND WHEN THE RT MLG WAS INSPECTED, IT WAS FOUND THAT CLEVIS ASSY FROM UPPER STRUT HSG TO MAIN ACTUATOR HAD BROKEN IN (2) PIECES, (1) PART STILL ATTACHED TO ACTUATOR AND THE OTHER WAS STILL IN THE UPPER STRUT ASSY. AN OEM SL REQUIRING THAT THE CLEVIS BE REMOVED EA 500 HR AND INSPECTED BY A LEVEL II INSPECTOR. THIS CLEVIS HAD 274 HR ON IT SINCE THAT INSPECTION, WHERE IT WAS FOUND AIRWORTHY. ON THESE AC THERE IS A MAIN ACTUATOR AND AN AUXILLIARY ONE WITH ITS OWN CLEVIS MOUNTING ALSO. LANDING GEAR CAME DOWN AND LOCKED BECAUSE OF AUXILLIARY ACTUATOR. THE RT MLG ACTUATOR HAD BEEN RESEALED IN 2004. IT FELT STIFF UPON INSPECTION AND WAS RESEALED BY THIS SHOP, THEN THE MOTION OF THE ACTUATOR FELT OK. (K)