Service difficulty report · Frame · Aerosp AS355F2

Difficulty date
March 21, 2003
Submitted
May 6, 2003
Operation
Air carrier
Make and model
Aerosp AS355F2
Aircraft time
5,557 hours
Engine
Allsn 250C20R
Part
Frame
Part number
350A23103600
Condition
Cracked
Location
Tail Bulkhead
Part time
10,721 cycles
Component
Bulkhead
Stage of operation
IN
How discovered
9
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

(CAN) DURING A 6000 HR. 2T AIRFRAME INSPECTION, TAILBOOM TAILCONE AREA WAS INSPECTED AS AN REQUIREMENT OF EUROCOPTER S/B 55.00.09 'CHECK OF FIN ATTACHMENT FRAME. A CRACK WAS FOUND EMANATING FROM AN ANCHOR NUT ATTACHMENT RIVET IN TWO DIRECTIONS. THIS CRACK HAD PROGESSED APPROXIMATELY 1.5' UNDER THE FIN ATTACHMENT. FRAME WAS REPLACED WITH NEW AND S/B 55.00.09 COMPLIED WITH.

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