SDR 96ZZZX2983

Service difficulty report · Torque Tube · Cessna 340A

Difficulty date: April 30, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N1920E
Make and model: Cessna 340A
Aircraft serial: 340A0669
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Torque Tube
Part number: 504501019
Condition: Weld Broken
Location: Lt Mlg
Part time: 5,406 hours
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

LEFT MAIN GEAR WOULD NOT RETRACT AFTER TAKEOFF. PILOT EXTENDED GEAR AND RETURNED TO AIRPORT. INSPECTED LT GEAR RETRACTION LINKAGE, AND FOUND AFT FORK ASSY WELD BROKEN AND TUBE WITH SPIRAL TEAR. SUBMITTER SUGGESTS FATIGUE TO WELDED AREA, WEAKENING SURROUNDED AREA. AREA SHOULD BE INSPECTED AT EACH INSPECTION.

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