Service difficulty report · Drag Brace · Cessna 402C

Difficulty date
August 31, 2012
Submitted
September 4, 2012
Operation
Air carrier
Aircraft
N769EA
Make and model
Cessna 402C
Aircraft serial
402C0303
Aircraft time
28,099 hours
Engine
Cont TSIO520VB
Part
Drag Brace
Part number
51420025
Part serial
T35110
Condition
Failed
Location
Nlg
Part time
130 hours
Stage of operation
LD
How discovered
O
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

ON LANDING ROLLOUT, ACFT SUSTAINED DAMAGE FROM A NOSE GEAR DRAG BRACE STRUCTURAL FAILURE. NOSE GEAR DRAG BRACE REPLACED, DRAG BRACE HAD BEEN INSPECTED 130 HOURS PRIOR TO FAILURE, UTILIZING A DIE PENETRANT INSPECTION. DIE PENETRANT INSPECTION FAILED TO DETECT SUBSURFACE DEFECTS THAT WERE MOST LIKELY PRESENT AT THE TIME OF INSPECTION. THE PART IS BEING FURTHER ANALYZED TO DETECT THE ROOT CAUSE OF THE FAILURE. THIS PART HAD BEEN INSPECTED 5 TIMES SINCE 2009, AND HAD BEEN IN SERVICE SINCE WELL BEFORE 2009.

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