Service difficulty report · Piston · Cessna 310L

Difficulty date
February 19, 2003
Submitted
April 14, 2003
Operation
General aviation
Make and model
Cessna 310L
Aircraft time
7,281 hours
Engine
Cont IO470VO
Part
Piston
Part number
504100077
Condition
Cracked
Location
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

(CAN) DURING COMPLETE REMOVAL AND NDT OF ALL LANDING GEAR PARTS BOTH LT & RT MAIN GEAR PISTON AND AXLE ASSEMBLIES (P/N S 5041000-77 & 5041000-76 RESPECTIVELY) WERE FOUND CRACKED AT THE SMALLER OF THE TWO TORQUE LINK ATTACH LUGS.THE RT WAS REPLACED WITH A USED SERVICEABLE UNIT, HOWEVER 10 USED LT UNITS WERE TESTED AND FAILED PRIOR TO FINDING A SERVICEABLE USED ONE TO INSTALL. WE FEEL FINDING A GOOD USED RT UNIT ON THE FIRST TRY WAS JUST A STROKE OF LUCK.

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