SDR 2003FA0000894

Service difficulty report · Screw · Beech 9555

Difficulty date: July 21, 2003
Submitted: September 9, 2003
Operation: General aviation
Aircraft: N517DC
Make and model: Beech 9555
Aircraft serial: TC1029
Engine: Cont IO470*
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Screw
Part number: AN51588
Condition: Broken
Location: Mlg Brace Assy
Part time: 6,350 hours
Component: Brace
Component part number: 35815155610
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

SCREW BROKEN, ALLOWING TRUNNION PIN TO BACK OUT. RETRACT BRACE BECAME LOOSE ALLOWING DOWN AND LOCK TO (UNLATCH). WHEN THAT HAPPENED THE RT MAIN GEAR COLLAPSED (ON ROLL OUT) AND DAMAGED THE RIGHT FLAT, WING TIP, AND BRAKE ASSEMBLY. PROPELLER STRUCK THE GROUND AS WELL. (GK15200314901)

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