Service difficulty report · Frame · Snias AS350B3

Difficulty date
November 12, 2019
Submitted
December 6, 2019
Operation
Air carrier
Aircraft
N391LG
Make and model
Snias AS350B3
Aircraft serial
4323
Aircraft time
6,566 hours, 28,114 cycles
Engine
Tmeca ARRIEL2B1
Engine time
6,558 hours, 18,445 cycles
Part
Frame
Part number
350A2110512021
Condition
Chafed
Location
Bulkhead
Part time
6,566 hours, 28,114 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 AND RH LATERAL BULKHEAD (X FRAME) (PN: 350A21-1051-20/-21). THE LH CHAFE IS APPROXIMATELY 0.011” DEEP AND 0.2” WIDE BY 0.2” LONG AS SHOWN IN FIGURE 1. THE RH CHAFE IS APPROXIMATELY 0.012” DEEP AND 0.40” WIDE BY 0.75” LONG AS SHOWN IN FIGURE 1.THE DAMAGES ARE LOCATED ON THE INTERIOR (INBOARD) SIDES OF THE X FRAMES.** THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION.**