Service difficulty report · Structure · Snias AS350B3

Difficulty date
October 7, 2014
Submitted
October 9, 2014
Operation
Air carrier
Aircraft
N3817
Make and model
Snias AS350B3
Aircraft serial
3941
Aircraft time
2,969 hours, 9,859 cycles
Part
Structure
Part number
350A2300000703
Part serial
TB4287
Condition
Damaged
Location
Tailboom
Part time
2,969 hours, 9,859 cycles
Stage of operation
AA
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

THE TAIL ROTOR GEAR BOX & THE VERTICAL STABILIZER BOLT MOUNTING POINTS ON TOP OF THE TAIL BOOM ARE DAMAGED & NEED REPAIR. FOUND THAT THE WINDINGS INSIDE THE BOLT HOLES AT THE MOUNTING POINTS HAD BEEN PARTIALLY GROOVED INTO BY THE BOLTS. THE STATION IS AT 380.3 INCHES.