Service difficulty report · Frame · Beech C90

Difficulty date
February 15, 2006
Submitted
June 6, 2006
Operation
General aviation
Make and model
Beech C90
Aircraft time
16,926 hours
Engine
Pwa PT6A28
Propeller
Hartzl HCB3TN3
System (JASC)
5711 · Wing Spar
Part
Frame
Condition
Cracked
Location
Wing
Part time
16,976 hours
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

UPON BEGINNING A PHASE 3 INSPECTION, A TECHNICIAN DISCOVERED A SMALL CRACK ON THE RIGHT FORWARD LOWER SPAR HINGE CAP. THE CRACK WAS OUT FROM THE FOURTH FASTENER FORWARD TOWARD THE HINGE EDGE. A SMALL AREA OF PAINT HAD BEEN FLAKED AWAY IN THIS AREA. MORE PAINT WAS REMOVED IN THIS AREA IN AID TO FURTHER INVESTIGATE THE DISCREPANCY. IT WAS CLEARLY VISIBLE TO SEE WITHOUT ANY NDT INSPECTION METHODS REQUIRED. THE AIRCRAFT WAS REMOVED FROM SERVICE. IT WAS NOTED THE PREVIOUS EDDY CURRENT INSPECTION (AS REQUIRED IAW THE RAYTHEON SIRM) WAS CONDUCTED IN THIS AREA IN JANUARY 2005, 754.8 HOURS AGO.

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