SDR 98ZZZX3571

Service difficulty report · Bellcrank · Cessna 310R

Difficulty date: July 24, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N6209X
Make and model: Cessna 310R
Aircraft serial: 310R1339
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Bellcrank
Part number: 08421043
Condition: Failed
Location: Nlg Ww
Part time: 3,720 hours
Stage of operation: LD
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

THE BELLCRANK FAILED ALONG FORK BOLT MOUNTING HOLE. THIS IS THE ADJUSTING POINT FOR DOWNLOCK OVERCENTER TENSION. UPON INSTALLATION OF NEW PART, OVERCENTER TENSION WAS CHECKED AND FOUND TO BE NORMAL. DUE TO THE FAILURE, THE NOSE GEAR COLLAPSED UPON LANDING. NO FURTHER DEFECTS NOTED.

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