Service difficulty report · Hinge Pin · Beech 99A

Difficulty date
January 16, 2003
Submitted
January 21, 2003
Operation
Air carrier
Make and model
Beech 99A
Aircraft time
53,288 hours
Engine
Pwa PT6A28
Part
Hinge Pin
Part number
50110002
Condition
Fractured
Location
Lt Wing
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) TIME ON PIN IS UNKNOWN IT WAS NOTICED THAT THE SKIN FORWARD OF THE LT UPPER FORWARD WING SPAR NEAR THE WING FITTING WAS SOFT AND EASILY MOVED. DURING CLOSER INSPECTION THE PIN WAS FOUND NOT TO BE ENGAGED IN THE LAST 2 FT OF THE HINGE BY THE WING FITTING. THE WING TIP WAS REMOVED AND IT WAS FOUND THAT THE HINGE PIN BROKE WHERE IT BENDS TO GO UNDER THE SAFETY PLATE. AS A RESULT THE PIN WORKED ITS WAY OUT AND CURLED UP INSIDE THE WING TIP.

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