SDR 95ZZZX602

Service difficulty report · Bellcrank · Cessna 401

Difficulty date: January 9, 1995
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N1253B
Make and model: Cessna 401
Aircraft serial: 4010031
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Bellcrank
Part number: 50410011
Condition: Failed
Location: Lt Mlg
Part time: 6,625 hours
Stage of operation: TX
Nature of condition: O
Precautionary procedure: K

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

What was found

WHILE AIRCRAFT WAS TAXIING, LT LANDING GEAR COLLAPSED. THE AIRCRAFT RECEIVED MODERATE DAMAGE. INVESTIGATION BY MAINTENANCE PERSONNEL REVEALED BELLCRANK FAILED IN MULTIPLE AREAS ALLOWING MAIN DRAG LINK TO RETRACT BACK OVER CENTER. PREVENTION - REMOVE HIGH CYCLE ASSEMBLIES, 500-HOUR DYE PENETRANT INSPECTION, TAXI SLOWER WHEN CORNERING.

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