SDR 2017F00194

Service difficulty report · Bolt · Cessna 208B

Difficulty date
October 11, 2017
Submitted
October 16, 2017
Operation
General aviation
Aircraft
N9820F
Make and model
Cessna 208B
Aircraft serial
208B0410
Aircraft time
18,443 hours, 37,864 cycles
Part
Bolt
Part number
AN540A
Condition
Sheared
Component
Bolt
Component part number
AN540A
Stage of operation
LD
How discovered
V
Nature of condition
G
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TWO AN5-40A BOLTS SHEARED UPON LANDING. TORQUES WASH VERIFIED TO BE CORRECT AND WHEN WHEEL WAS BUILT UP TORQUE SEAL WAS USED. THREADED PORTION OF THE BOLT SHEARED CLEAN THIS IS THE SECOND AIRCRAFT IN THE FLEET TO HAVE THIS ISSUE. WHEEL WAS REMOVED AND A NEW WHEEL INSTALLED. WE LOCATED THE BAG FROM WHICH THE BOLTS APPEARED TO COME FROM IN THE PARTS ROOM AND REMOVED ALL BOLTS WITHIN THIS LOT NUMBER. ALL MECHANICS AND PILOTS ARE INSPECTING THE WHEEL BOLTS UPON EACH LANDING. LOT NUMBER 84295/3214

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