SDR 96ZZZX6085

Service difficulty report · Fork Assy · Piper PA31350

Difficulty date
November 6, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N3535F
Make and model
Piper PA31350
Aircraft serial
317952200
Part
Fork Assy
Part number
4179300
Condition
Broke
Location
Rt Mlg Downlock
Stage of operation
CL
Nature of condition
J
Precautionary procedure
A

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

What was found

UPON PILOT CYCLING GEAR UP, RT GEAR STAYED EXTENDED AND DOWN, GREEN LIGHT REMAINED ON. PILOT RETURNED AND LANDED WITH NO INCIDENT. UPON MAINT INSPECTION, RT GEAR DOWNLOCK ROD FORK WAS FOUND BROKEN. ROD FORK BOLT WAS NOT WORN AS IS A USUAL FINDING. MAINT. REMOVED THESE AT DETAILED GEAR INSPECTIONS TO CHECK WEAR. THIS SUMITTER BELIEVES FORK BOLT WAS OVERTORQUED DURING INSTALLATION AND CRACKED AT THAT TIME. SUBMITTER RECOMMENDS ENSURING PROPER AMOUNT OF WASHERS ARE USED TO KEEP NUT FROM BOTTOMING OUT, AS WELL AS ENSURING THAT FORK WILL TURN FREELY WHEN INSTALLED.

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