Service difficulty report · Bulkhead Web · Snias AS350B3

Difficulty date
July 15, 2021
Submitted
July 15, 2021
Operation
Air carrier
Aircraft
N279AM
Make and model
Snias AS350B3
Aircraft serial
4685
Aircraft time
5,315 hours, 12,708 cycles
Engine
Tmeca ARRIEL2B1
Engine time
7,577 hours, 13,989 cycles
Part
Bulkhead Web
Part number
350A2110322223
Condition
Chafed
Location
Zone 200
Part time
5,315 hours, 12,708 cycles
Stage of operation
IN
How discovered
9
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 15° BULKHEAD LH WEB (PN: 350A21-1032.22) AND THE LH POST (PN:350A21-1031.33) IN THE FORM OF MULTIPLE CHAFES (SEE FIGURES 1-2). THERE IS ALSO DAMAGE TO THE RH WEB (PN:350A21-1032.23) IN THE FORM OF CHAFES. INSIDE THE LH LATERAL CARGO HOLD THE 15 DEGREE BULKHEAD HAS A TOTAL OF SIX CHAFED LOCATIONS, TO INCLUDE THE LH LANDING GEAR DAMPER SUPPORT CHANNEL. INSIDE THE RH LATERAL CARGO HOLD THE 15 DEGREE BULKHEAD HAS A TOTAL OF THREE CHAFED LOCATIONS. THE DAMAGES RANGE FROM AS LOW AS .005” TO AS DEEP AS .020” IN DEPTH.