Service difficulty report · Bulkhead · Snias AS350B3

Difficulty date
July 23, 2020
Submitted
July 23, 2020
Operation
Air carrier
Aircraft
N629AM
Make and model
Snias AS350B3
Aircraft serial
3941
Aircraft time
4,875 hours, 14,945 cycles
Engine
Tmeca ARRIEL2B1
Engine time
4,875 hours, 10,955 cycles
Part
Bulkhead
Part number
350A211051
Condition
Chafed
Location
Bs 3640
Part time
4,875 hours, 14,945 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

CHAFING DAMAGE WAS DISCOVERED ON THE LH LATERAL BULKHEAD (X FRAME) (PN: 350A21-1051) ON THE INBOARD FACE. THE CHAFE DAMAGE IS OUTLINED BELOW AND SHOW IN IN FIGURE 1. THE DAMAGE IS LOCATED ON THE INTERIOR (INBOARD) SIDE OF THE X FRAME. L/H AFT LOWER LEG STA 3640, BL 400L AND WL 2010 .25” X .30” X .015” DEEP