Service difficulty report · Bolt · Gulstm 200

Difficulty date
July 20, 2016
Submitted
September 30, 2016
Operation
Air carrier
Aircraft
N458BN
Make and model
Gulstm 200
Aircraft serial
071
Aircraft time
3,434 hours, 2,104 cycles
Part
Bolt
Part number
MS141454
Condition
Sheared
Location
Lt Mlg
Stage of operation
IN
How discovered
V
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

DURING A POST-FLIGHT WALK-AROUND CHECK BY MAINTENANCE MANAGER, IT WAS NOTED THAT THE LEFT LOWER SHOCK ABSORBER ATTACHMENT CROSS BOLT WAS BROKEN. THIS BOLT HAS AN 800 CYCLE LIFE LIMIT AND WAS DUE FOR REPLACEMENT IN 74 CYCLES. THE RT STRUT ATTACHMENT WAS CHECKED AND FOUND TO BE SATISFACTORY. NO SDRS WERE FOUND IN REGARD TO THIS ISSUE. THE BOLT WAS REMOVED AND FOUND TO BE SHEARED IN TO SPOTS. THE SEALANT OVER THE HEAD AND NUT ENDS RETAINED THE BROKEN BOLT ENDS UNTIL DISCOVERED.