SDR 2012F00087

Service difficulty report · Lever · Raythn HAWKER850XP

Difficulty date
April 6, 2012
Submitted
May 11, 2012
Operation
General aviation
Aircraft
N776RS
Make and model
Raythn HAWKER850XP
Aircraft serial
258776
Part
Lever
Part number
S25CX1037
Condition
Corroded
Part time
1,602 hours
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

COMPONENTS (LEVERS AND ASSOCIATED RODS) FOUND CORRODED. NO CORROSION PREVENTATIVE MATERIAL FOUND ON PARTS. CORROSION EXTENSIVE BUT ONLY ON THESE PARTS IN PARTICULAR. SURROUNDING AREAS IN BETWEEN THE WHEEL WELLS APPEAR TO BE CLEAN AND FREE FROM CORROSION. AFFECTED PARTS HAVE FLAKING WHITE POWDER BUILD UP AND DEEP PITTING ON THE ALUMINUM. ROD ENDS HAVE RUST AND STIFF RESISTANCE TO ROTATION. ATTACHING BOLTS AND COTTER PINS RUSTY AND PITTED WITH CORROSION. DISCUSSION WITH TECHS SUGGEST THAT CLEANING AND LUBRICATION AS REQUIRED BY THE MM AND INSPECTION INTERVALS DOES MUCH TO ALLEVIATE THIS SITUATION.