Service difficulty report · Mount Flange · Snias AS350B3

Difficulty date
August 18, 2025
Submitted
August 18, 2025
Operation
Air carrier
Filed by
2A6D933B
Air Methods LLC
Aircraft
N109LN
Make and model
Snias AS350B3
Aircraft serial
3995
Aircraft time
8,549 hours, 25,711 cycles
Engine
Tmeca ARRIEL2B1
Engine time
4,946 hours, 10,084 cycles
Part
Mount Flange
Part number
50A21114720
Condition
Gouged
Location
Zone 700
Part time
8,549 hours, 25,711 cycles
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

DAMAGE TO THE LANDING GEAR LH OTBD AFT BEARING IN THE FORM OF GOUGE. THE GOUGE DAMAGE IS AT LOWER FLANGE OF THE BEARING AND WAS MEASURED TO BE APPROXIMATELY 0.3895” X 0.1105” X DEPTH MORE THAN HALF THE THICKNESS OF THE BEARING.